204.117.0.0/16 - Cogent Communications (AS174)
CIDR
204.117.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
πΊπΈ United States
City
Cleveland
RIR
ARIN
Status
allocated
Allocated
1994-08-12
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns β
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.117.0.0/16 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | ARIN | 2026-10-12 |
More-Specific Announcements
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.117.1.0/24 | AS400317 ORCHEST - GoldConnect | No ROA | - | 2026-10-12 |
| 204.117.128.0/24 | AS27521 CATCOMM-ASN - CATCOMM INTERNET SERVICES, LLC | No ROA | - | 2026-10-12 |
| 204.117.192.0/20 | AS2379 CENTURYLINK-LEGACY-EMBARQ-WNPK - CenturyLink Communications, LLC | No ROA | - | 2026-10-12 |
| 204.117.223.0/24 | AS26827 EPBTELECOM - EPB Fiber Optics | No ROA | - | 2026-10-12 |
Transfer History
Registry transfers of 204.117.0.0/16, blocks inside it, or blocks containing it.
- 204.117.0.0/16M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 204.117.0.0/16 | Sprint | Cogent Communications, LLC | M&A |
Related Prefixes
More prefixes of AS174
All prefixes of AS174 βGeolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/204.117.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.117.0.0/16" | jq
External Links