Data as of Nov 7, 2026

209.170.160.0/20

No anonymizer space · no proxy exits in 30 days

First Communications LLC

Announcement

this exact prefix

No RPKI

Announced by

AS16399

Type

Business

Risk

0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
209.170.160.0/20	4,096	CIMCO	First Communications LLC (FCL-52) · US	Direct Allocation	May 15, 2001	netopssa@firstcomm.com
└ 209.170.160.0/24	256	CIMCO-INT-02	unknown	—	—	—
└ 209.170.162.32/29	8	OREE-01	unknown	—	—	—
└ 209.170.162.40/29	8	QCLAW-01	unknown	—	—	—
└ 209.170.162.56/29	8	CIMCO-122368-01	unknown	—	—	—
└ 209.170.162.72/29	8	CIMCO-136516-01	unknown	—	—	—
└ 209.170.162.80/29	8	CIMCO-120005-01	unknown	—	—	—
└ 209.170.162.96/27	32	CIMCO-119508-01	unknown	—	—	—
└ 209.170.162.128/27	32	CIMCO-223191-01	unknown	—	—	—
└ 209.170.162.232/29	8	CORNERSOL-01	unknown	—	—	—
└ 209.170.162.240/28	16	KRAFSUR-001	unknown	—	—	—
└ 209.170.163.0/26	64	INFOTUBE-01	unknown	—	—	—
└ 209.170.163.144/28	16	CIMCO-119743-01	unknown	—	—	—
└ 209.170.163.192/27	32	MCLENNAN-01	unknown	—	—	—
└ 209.170.163.224/27	32	CHUHAK-01	unknown	—	—	—
└ 209.170.164.0/28	16	CIMCO-119168-01	unknown	—	—	—
└ 209.170.164.16/28	16	OLSON-01	unknown	—	—	—
└ 209.170.164.32/29	8	CIMCO-129457-01	unknown	—	—	—
└ 209.170.164.64/28	16	COMFORTER-01	unknown	—	—	—
└ 209.170.164.80/28	16	JACKFUND-01	unknown	—	—	—
└ 209.170.164.128/26	64	HPLS-01	unknown	—	—	—
└ 209.170.164.240/28	16	CIMCO-118891-01	unknown	—	—	—
└ 209.170.165.32/27	32	CIMCO-221461-01	unknown	—	—	—
└ 209.170.165.64/28	16	PREFERRED-01	unknown	—	—	—
└ 209.170.165.80/29	8	CIMCO-148659-01	unknown	—	—	—
└ 209.170.165.88/29	8	CIMCO-148727-01	unknown	—	—	—
└ 209.170.165.96/29	8	CIMCO-151187-01	unknown	—	—	—
└ 209.170.165.104/29	8	CIMCO-149077-01	unknown	—	—	—
└ 209.170.165.120/29	8	CIMCO-179123-01	unknown	—	—	—
└ 209.170.165.128/26	64	JKBCAP-01	unknown	—	—	—
└ 209.170.165.224/27	32	AGMBC-01	unknown	—	—	—
└ 209.170.166.0/29	8	CIMCO-125289-01	unknown	—	—	—
└ 209.170.166.40/29	8	CIMCO-183473-01	unknown	—	—	—
└ 209.170.166.56/29	8	CIMCO-121741-01	unknown	—	—	—
└ 209.170.166.64/29	8	CIMCO-220572-03	unknown	—	—	—
└ 209.170.166.72/29	8	CIMCO-222057-02	unknown	—	—	—
└ 209.170.166.80/29	8	CIMCO-222405-02	unknown	—	—	—
└ 209.170.166.88/29	8	CIMCO-123284-01	unknown	—	—	—
└ 209.170.166.96/28	16	CIMCO-123888-01	unknown	—	—	—
└ 209.170.166.120/29	8	CIMCO-222389-02	unknown	—	—	—
└ 209.170.166.192/26	64	CIMCO-146360-01	unknown	—	—	—
└ 209.170.167.32/28	16	DBCW-01	unknown	—	—	—
└ 209.170.167.96/28	16	SFNLAW-01	unknown	—	—	—
└ 209.170.167.224/27	32	PPKFLAW-01	unknown	—	—	—
└ 209.170.168.32/29	8	CIMCO-221301-02	unknown	—	—	—
└ 209.170.168.48/28	16	CIMCO-220593-01	unknown	—	—	—
└ 209.170.168.64/27	32	FISHER-01	unknown	—	—	—
└ 209.170.168.96/27	32	SCHILLER-01	unknown	—	—	—
└ 209.170.168.144/28	16	CIMCO-220801-01	unknown	—	—	—
└ 209.170.168.160/28	16	CIMCO-131412-01	unknown	—	—	—
└ 209.170.168.176/28	16	CIMCO-134858-01	unknown	—	—	—
└ 209.170.169.0/26	64	KENOLAN-01	unknown	—	—	—
└ 209.170.169.64/26	64	CIMCO-162478-01	unknown	—	—	—
└ 209.170.169.192/26	64	GOLDSTINE-01	unknown	—	—	—
└ 209.170.170.0/24	256	CIMCO-130919-01	unknown	—	—	—
└ 209.170.171.0/27	32	BWMANAGE-01	unknown	—	—	—
└ 209.170.171.240/28	16	CIMCO-218125-04	unknown	—	—	—
└ 209.170.172.120/29	8	CIMCO-174171-01	unknown	—	—	—
└ 209.170.172.168/29	8	CIMCO-162506-01	unknown	—	—	—
└ 209.170.172.176/29	8	CIMCO-161921-01	unknown	—	—	—
└ 209.170.172.192/29	8	CIMCO-168758-01	unknown	—	—	—
└ 209.170.172.200/29	8	CIMCO-169333-01	unknown	—	—	—
└ 209.170.173.0/29	8	CIMCO-214903-01	unknown	—	—	—
└ 209.170.173.24/29	8	CIMCO-190980-01	unknown	—	—	—
└ 209.170.173.32/29	8	CIMCO-185830	unknown	—	—	—
└ 209.170.173.112/29	8	CIMCO-161922-01	unknown	—	—	—
└ 209.170.173.120/29	8	CIMCO-128234-01	unknown	—	—	—
└ 209.170.173.128/28	16	CIMCO-123854-01	unknown	—	—	—
└ 209.170.173.176/29	8	CIMCO-128264-01	unknown	—	—	—
└ 209.170.173.200/29	8	CIMCO-172249-01	unknown	—	—	—
└ 209.170.173.216/29	8	CIMCO-141983-01	unknown	—	—	—
└ 209.170.174.0/25	128	CIMCO-ISP-03	unknown	—	—	—
└ 209.170.174.128/25	128	CIMCO-INS-01	unknown	—	—	—
└ 209.170.175.0/24	256	CIMCO-INT-01	unknown	—	—	—

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS16399

Name: First Communications LLC
Type: Internet provider
Registered: Apr 25, 2000
Domain: firstcomm.com
Spamhaus ASN-DROP: not listed

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS2707 not the origin	RADB	RR-RC-FirstComm-Central	MAINT-RR	Jul 9, 2026
AS16399	RADB	FirstComm IL	MAINT-AS2707	Nov 13, 2023
AS21653 not the origin	RADB	AS21653 proxy-registered route by Cogent	MAINT-AS174	Nov 13, 2023

209.170.160.0/20

Registrations in this block

Network & registry

AS16399

Who has announced this prefix

Routing history

History

Route objects on the exact prefix

Registration for this announcement

Abuse contact