Data as of Nov 3, 2026

149.51.0.0/16

51,712 anonymizer addresses · 79%2 residential-proxy exits · 30 days

Cogent Communications, LLC

Announcement

149.50.0.0/15

No RPKI

Announced by

AS174

Type

Datacenter proxy

39% of it

Residential-proxy exits

Proxy exits

<0.01% of its addresses · 30 days

Spread

1 of 256

/24s with at least one exit

Providers

selling exits here

Oct 4, 2026 – Nov 2, 2026

Exits seen per day

313 observations

ISP proxy · anonymizer
Hosting

Proxy providers listing exits

ByteProxies
Byteful
FlexyProxies
GSocks
Geonix
GonzoProxy
Infatica
MangoProxy
NodeProxy
NovaProxy
Proxy-Seller
Shifter
VitalExclusive

IPv4 market

Path

1 · Holder

Unnamed holder

2 · Leased from

Rackdog

for its owner Cogent Communications, LLC

3 · Announced by

AS174 Cogent Communications, LLC

since Sep 2006 · 20.1 yr ago

4 · Use

Proxy providersnamed SkyQuantum, Novada, Bright Data

Datacenter proxy

Operators, sellers and brokers

Proxy providers

Name	In 149.51.0.0/16	/24s	Role
SkyQuantum	8,96014%	35	Runs it
Novada	2,0483.1%	8	Sells it
Bright Data	5120.78%	2	Runs it

Runs itSells it

Leased from

IP brokers

Name	In 149.51.0.0/16	/24s
Rackdog	35,32854%	138

Leased from

Owners leasing their own space

Name	In 149.51.0.0/16	/24s
Cogent Communications, LLC	51,20078%	200

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.

More specific

Announcements inside

Arrived

Sort

Prefix	Origin	Type	Anonymizer addresses	Operator	Leased from	Proxy exits	Holder
149.51.0.0/21 since Jan 2025	AS3320	ISP proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.8.0/21 since Jan 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.8.0/23 since Sep 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.10.0/24 since May 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.11.0/24 since May 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.12.0/24 since May 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.13.0/24 since May 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.14.0/24 since May 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.15.0/24 since May 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.16.0/24 since Mar 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.17.0/24 since Mar 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.18.0/24 since May 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.19.0/24 since Sep 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.20.0/23 since Sep 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.21.0/24 since Mar 2026	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.22.0/24 since Sep 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.23.0/24 since Sep 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.32.0/24 since Mar 2023	AS7029	ISP proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.33.0/24 since Dec 2022	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.34.0/24 since Jan 2023	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.35.0/24 since Mar 2023	AS7029	ISP proxy			IP broker Rackdog	1	Cogent Communications, LLC
149.51.36.0/24 since Oct 2022	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.37.0/24 since Nov 2022	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.38.0/24 since Nov 2022	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.39.0/24 since Nov 2022	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.40.0/24 since Oct 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.41.0/24 since Feb 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.42.0/23 since Feb 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.42.0/24 since Dec 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.43.0/24 since Mar 2026	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.44.0/23 since Feb 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.46.0/24 since Feb 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.47.0/24 since Feb 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.48.0/20 since Nov 2025	AS7029	ISP proxy	2,30456%		IP broker Rackdog		Cogent Communications, LLC
149.51.48.0/24 since Mar 2025	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.49.0/24 since Mar 2025	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.50.0/24 since Mar 2025	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.51.0/24 since Mar 2025	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.52.0/24 since Sep 28, 2026	AS398465	Datacenter proxy					Cogent Communications, LLC
149.51.53.0/24 since Sep 28, 2026	AS398465	Datacenter proxy					Cogent Communications, LLC
149.51.54.0/24 since Sep 28, 2026	AS398465	Datacenter proxy					Cogent Communications, LLC
149.51.64.0/19 since Dec 2025	AS55201	ISP proxy	7,68094%	Proxy providersoperated by SkyQuantum			Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.94.0/24 since Mar 2026	AS55201	ISP proxy		Proxy providersoperated by SkyQuantum			Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.95.0/24 since Jan 2026	AS55201	ISP proxy		Proxy providersoperated by SkyQuantumsold by Novada			Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.96.0/23 since Dec 2025	AS23532	ISP proxy			IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.98.0/23 since Dec 2025	AS202736	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.100.0/23 since Apr 2026	AS197537	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.102.0/24 since Sep 22, 2026	AS174	ISP proxy		Proxy providersoperated by SkyQuantum	IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.103.0/24 since Sep 22, 2026	AS174	ISP proxy		Proxy providersoperated by SkyQuantumsold by Novada	IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.104.0/24 since Dec 2025	AS202736	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.105.0/24 since Dec 2025	AS202736	Datacenter proxy		Proxy providerssold by Novada	IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.106.0/24 since Dec 2025	AS202736	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.107.0/24 since Dec 2025	AS202736	Datacenter proxy		Proxy providerssold by Novada	IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.108.0/24 since Dec 2025	AS202736	Datacenter proxy		Proxy providerssold by Novada	IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.109.0/24 since Dec 2025	AS202736	Datacenter proxy		Proxy providerssold by Novada	IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.110.0/23 since Sep 28, 2026	AS63450	ISP proxy					Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.112.0/21 since Sep 28, 2026	AS63450	ISP proxy					Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.120.0/22 since Sep 28, 2026	AS63450	ISP proxy		Proxy providerssold by Novada			Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.124.0/24 since Mar 2026	AS55201	ISP proxy		Proxy providersoperated by SkyQuantum			Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.125.0/24 since Jan 2026	AS202736	Datacenter proxy					Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.126.0/24 since Jan 2026	AS197537	Datacenter proxy					Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.127.0/24 since Jan 2026	AS197537	Datacenter proxy		Proxy providerssold by Novada	IP broker Rackdog		Cogent Communications, LLC via Wisdom Cloud Internet Technology Pte. Ltd
149.51.128.0/18 since Dec 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.128.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.129.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.130.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.131.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.132.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.133.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.134.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.135.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.136.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.137.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.138.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.139.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.140.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.141.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.142.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.143.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.144.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.145.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.146.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.147.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.148.0/23 since Jul 2023	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.150.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.151.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.152.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.153.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.154.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.155.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.156.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.157.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.158.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.159.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.160.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.161.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.162.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.163.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.164.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.165.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.166.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.167.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.168.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.169.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.170.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.171.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.172.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.173.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.174.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.175.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.176.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.177.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.178.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.179.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.180.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.181.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.182.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.183.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.184.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.185.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.186.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.187.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.188.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.189.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.190.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.191.0/24 since Dec 2025	AS154395	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.192.0/21 since Jun 2024	AS6079	ISP proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.200.0/21 since Jan 2023	AS7029	ISP proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.200.0/22 since Sep 2024	AS11404	ISP proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.204.0/22 since Sep 2024	AS11404	ISP proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.208.0/20 since Nov 2025	AS7029	ISP proxy	2,30456%		IP broker Rackdog		Cogent Communications, LLC
149.51.208.0/24 since Dec 2025	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.210.0/24 since Nov 2025	AS7029	ISP proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.211.0/24 since Feb 2023	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.212.0/24 since May 2023	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.213.0/24 since Apr 2023	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.214.0/24 since Jun 2023	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.215.0/24 since Feb 2023	AS399296	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.224.0/24 since Jan 2023	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.225.0/24 since May 2024	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.226.0/24 since Jan 2023	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.227.0/24 since Jan 2023	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.228.0/24 since Dec 2023	AS399296	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.229.0/24 since Jan 2023	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.230.0/24 since Mar 2024	AS399296	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.231.0/24 since Feb 2023	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.232.0/21 since Feb 2023	AS7029	ISP proxy	25613%		IP broker Rackdog		Cogent Communications, LLC
149.51.232.0/24 since Feb 2026	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.233.0/24 since Feb 2026	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.234.0/24 since Feb 2026	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.235.0/24 since Mar 2026	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.236.0/24 since Jul 2026	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.238.0/23 since Jan 2025	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.240.0/21 since Feb 2023	AS7029	Unknown			IP broker Rackdog		Cogent Communications, LLC
149.51.240.0/22 since Feb 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.240.0/24 since May 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.241.0/24 since May 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.242.0/24 since May 2025	AS398465	Datacenter proxy		Proxy providersoperated by Bright Data	IP broker Rackdog		Cogent Communications, LLC
149.51.243.0/24 since May 2025	AS398465	Datacenter proxy		Proxy providersoperated by Bright Data	IP broker Rackdog		Cogent Communications, LLC
149.51.244.0/22 since Mar 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.245.0/24 since Mar 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.246.0/24 since Mar 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.247.0/24 since Mar 2025	AS398465	Hosting			IP broker Rackdog		Cogent Communications, LLC
149.51.248.0/21 since Jul 2024	AS6079	ISP proxy	1,02450%		IP broker Rackdog		Cogent Communications, LLC
149.51.250.0/24 since Sep 2026	AS398465	Datacenter proxy					Cogent Communications, LLC
149.51.251.0/24 since Nov 2025	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC
149.51.254.0/23 since Nov 2025	AS398465	Datacenter proxy			IP broker Rackdog		Cogent Communications, LLC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
149.51.0.0/16	65,536	COGENT-149-51-16	Cogent Communications, LLC (COGC) · US	Direct Allocation	Jan 28, 1992	[email protected]
└ 149.51.0.0/18	16,384	RACKDOG-CGNT-NET-10	RCN (C11605108) · US	Reassigned	May 27, 2026	[email protected] via COGENT-149-51-16
└ 149.51.64.0/18	16,384	WISDOM-CLOUD-CGNT-NET-12	Wisdom Cloud Internet Technology Pte. Ltd (WCITPL) · SG	Reallocated	Dec 29, 2025	[email protected]
└ 149.51.124.0/24	256	NET-149-51-124-0	Comcast Cable Communications, LLC (C11470946) · US	Reassigned	Jan 8, 2026	[email protected] via WISDOM-CLOUD-CGNT-NET-12
└ 149.51.128.0/18	16,384	RACKDOG-CGNT-NET-11	RCN (C11605109) · US	Reassigned	May 27, 2026	[email protected] via COGENT-149-51-16
└ 149.51.192.0/18	16,384	RACKDOG-CGNT-NET-12	RCN (C11605110) · US	Reassigned	May 27, 2026	[email protected] via COGENT-149-51-16

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses

Type	Addresses	Share	Ranges
Datacenter proxyanonymizer	25,856	39%	97
ISP proxyanonymizer	25,856	39%	26
Hosting	11,776	18%	43
Internet provider	2,048	3.1%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 149.50.0.0/15

Prefix: 149.50.0.0/15
Announced by: AS174 Cogent Communications, LLC
Type: Internet provider
Anonymizer addresses: none
Leased from: IP broker Rackdog (part)
Proxy exits: 3,398
Always-on exits: 980
RPKI: No RPKI
RIR: ARIN

IPv4 market

Holder

Holder in the market →

Organization: Not stated by the registry

Origin network

AS174

Name: Cogent Communications, LLC
Type: Internet provider
Registered: May 16, 1996
Domain: cogentco.com
Website: www.cogentco.com/
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed
VPN servers: 1,658

149.51.0.0/16

Residential-proxy exits

Exits seen per day

Proxy providers listing exits

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Covering announcement 149.50.0.0/15

Holder

AS174

Who has announced 149.50.0.0/15

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