Data as of Nov 8, 2026
128.177.95.0/24
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc. · space held by Zayo Bandwidth
Announcement
this exact prefix
RPKI invalid (origin)
Announced by
Type
Internet provider
Risk
0 / 100 · Low
Recent change
New origin Sep 18, 2026
from AS3257 GTT Communications Inc., after 1.2 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 128.177.0.0/16 since May 2005 | AS6461 | Internet provider | 174 7 always on | Zayo Bandwidth |
Network & registry
Origin network
AS3257
US
- Name
- GTT Communications Inc.
- Type
- Internet provider
- Registered
- Sep 30, 1994
- Domain
- gtt.net
- Website
- www.gtt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 244
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2014
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Apr 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 128.177.0.0/16 | AS6461 | /16 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 128.
177. 0. 0/ 16 - Netname
- ABOVENET-128-177
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-177-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Jul 28, 1997
- 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