91.123.76.0/22 - Cogent Communications (AS174)
CIDR
91.123.76.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇳🇱 The Netherlands
City
Amsterdam
RIR
RIPE NCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 91.123.76.0/22 | AS174 COGENT-174 - Cogent Communications, LLC | Valid | RIPE | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 91.123.64.0/20 | AS174 COGENT-174 - Cogent Communications, LLC | No ROA | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 91.123.76.0/22 | AS174 | /22 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS174 | RIPE | SNLV-MNT | 2026-07-14 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 91.123.76.0/24 | 🇳🇱NL | assigned | |
| 91.123.77.0/24 | 🇳🇱NL | assigned | |
| 91.123.78.0/24 | 🇳🇱NL | assigned | |
| 91.123.79.0/24 | 🇳🇱NL | assigned |
Transfer History
Registry transfers of 91.123.76.0/22, blocks inside it, or blocks containing it.
- 91.123.64.0/20M&A ·
- 91.123.64.0/20Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 91.123.64.0/20 | Baltcom SIA | SIA "BITE Latvija" | M&A | |
| 91.123.64.0/20 | Infrastrukturas Serviss SIA | SIA "Baltcom" | Transfer |
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 RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/91.123.76.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/91.123.76.0/22" | jq
External Links