HomePrefix Lookup128.177.0.0/16

128.177.0.0/16

🇺🇸
IPv4ARINallocatedAS6461ZAYO-6461 - Zayo Bandwidth RPKI Valid
CIDR
128.177.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Denver (Central)
RIR
ARIN
Status
allocated
Allocated
7/28/1997

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
128.177.0.0/16AS6461ZAYO-6461 - Zayo Bandwidth Valid
ARIN
5/31/2026

Covering Prefix

27 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
128.177.179.0/24AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC Valid—5/31/2026
128.177.95.0/24AS3257GTT-BACKBONE GTT Communications Inc. Invalid—5/31/2026
128.177.2.0/24AS7170MANHA-20 - Manhattan West, LLC Valid—5/31/2026
128.177.61.0/24AS10790WEBEX-CONNECT - Lazard Freres & Co., LLC Valid—5/31/2026
128.177.3.0/24AS13344NETEX-INC - NetEx Inc. Valid—5/31/2026
128.177.138.0/24AS18731CITYSIDE-01 - Cityside Fiber Valid—5/31/2026
128.177.60.0/24AS19753 Valid—5/31/2026
128.177.102.0/24AS19755CRUISE-NETENG-ASN - Cruise LLC Valid—5/31/2026
128.177.14.0/24AS21534AS21534 - BroadSoft, Inc. Valid—5/31/2026
128.177.36.0/24AS21534AS21534 - BroadSoft, Inc. Valid—5/31/2026
128.177.160.0/24AS21734TRADINGTECH-TTNET - Trading Technologies Intl, Inc. Valid—5/31/2026
128.177.129.0/24AS22616ZSCALER-SJC1 - ZSCALER, INC. Valid—5/31/2026
128.177.136.0/24AS22616ZSCALER-SJC1 - ZSCALER, INC. Valid—5/31/2026
128.177.125.0/24AS22616ZSCALER-SJC1 - ZSCALER, INC. Valid—5/31/2026
128.177.135.0/24AS22616ZSCALER-SJC1 - ZSCALER, INC. Valid—5/31/2026
128.177.186.0/24AS25755NPR - National Public Radio, Inc. Valid—5/31/2026
128.177.111.0/24AS26664BECU - BECU Valid—5/31/2026
128.177.52.0/24AS31998KDSNET - Konceptio Data Services LLC Valid—5/31/2026
128.177.31.0/24AS32337NOWCOM-BGP - Nowcom Corporation Valid—5/31/2026
128.177.93.0/24AS33321ZAYO-33321 - Zayo Bandwidth Valid—5/31/2026
128.177.161.0/24AS36180CISCO-IOT - Cisco IoT Valid—5/31/2026
128.177.8.0/24AS40590AS40590 - CISCO SYSTEMS, INC. Valid—5/31/2026
128.177.134.0/24AS41264GOOGLE-IT-RO-ISP Google Switzerland GmbH Valid—5/31/2026
128.177.137.0/24AS46667EPSEL-ASN - Evercore Partners Services East, LLC Valid—5/31/2026
128.177.181.0/24AS63296AWBROADBAND - Amarillo Wireless Valid—5/31/2026
128.177.13.0/24AS398731GOODMAN-MANUFACTURING-COMPANY - Goodman Manufacturing Company, L.P. Valid—5/31/2026
128.177.43.0/24AS400523INTERSYSTEMS - InterSystems Corporation Valid—5/31/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
128.177.0.0/16AS6461/16arin

IRR Route Objects

1
OriginRegistryMaintainerModified
AS6461ARINMNT-ZAYOB12/22/2022
Origin ASN
AS6461
ZAYO-6461 - Zayo Bandwidth
Geolocation
Country🇺🇸United StatesUS
RegionColorado
CityDenver (Central)
Coordinates39.7505, -105.0030 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/128.177.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/128.177.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP