74.221.208.0/20 - Cogent Communications (AS174)
CIDR
74.221.208.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Phoenix
RIR
ARIN
Status
allocated
Allocated
2011-08-02
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.221.208.0/20 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
More-Specific Announcements
12 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.221.208.0/22 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.212.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.213.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.214.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.215.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.216.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.217.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.218.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.219.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.220.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.221.0/24 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
| 74.221.222.0/23 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-14 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS31849 | Other IRR | maint-as13768 | 2026-06-30 |
Related Prefixes
More prefixes of AS174
All prefixes of AS174 →Geolocation
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/74.221.208.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/74.221.208.0/20" | jq
External Links