Data as of Nov 8, 2026
128.177.138.0/24
2 residential-proxy exits · 30 daysCityside Fiber · space held by Zayo Bandwidth
Residential-proxy exits
Proxy exits
2
0.78% of its addresses · 30 days
Providers
24
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
1.8K observations
Proxy providers listing exits
- Ake.net
- BirdProxies
- ByteProxies
- Byteful
- CliProxy
- EnigmaProxy
- FlashProxy
- FlexyProxies
- GSocks
- Geonix
- GonzoProxy
- IPPeak
- Infatica
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- Proxyma
- RainProxy
- Shifter
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 128.177.0.0/16 since May 2005 | AS6461 | Internet provider | 173 7 always on | Zayo Bandwidth |
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 |
|---|---|---|---|---|---|---|
| 128.177.0.0/16 | 65,536 | ABOVENET-128-177 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Jul 28, 1997 | abuse@ |
| └ 128.177.138.0/24 | 256 | ZAYO-128-177-138-0-24 | Cityside Networks (C11431133) · US | Reassigned | Nov 25, 2025 | abuse@ via ABOVENET-128-177 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Zayo Bandwidth
- Handle
- ZAYOB
- Range
- 128.
177. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jul 28, 1997
- Legacy
- yes
Origin network
AS18731
US
- Name
- Cityside Fiber
- Type
- Internet provider
- Registered
- Oct 12, 2023
- Domain
- citysidefiber.com
- Industry
- Electric Power Generation, Transmission, Distribution
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jul 2014
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 2
- Last change of origin
- Dec 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 128.177.138.0/24 | AS18731 | /24 | ARIN | RPKI valid |
| 128.177.138.0/24 | AS53533 | /24 | ARIN | Another network |
| 128.177.0.0/16 | AS6461 | /16 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 128.
177. 138. 0/ 24 - Netname
- ZAYO-128-177-138-0-24
- Registrant
- Cityside Networks
- Organization
- Cityside Networks (C11431133)
- Type
- Reassigned
- Handle
- NET-128-177-138-0-1
- Parent
- NET-128-177-0-0-1
- Created
- Nov 25, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 28, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN