77.238.172.0/23 - Yahoo Holdings (AS10310)
CIDR
77.238.172.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 77.238.172.0/23 | AS10310 YAHOO-1 - Yahoo Holdings Inc. | No ROA | Other IRR | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS10310 | Other IRR | MAINT-YAHOO | 2023-11-13 |
Transfer History
Registry transfers of 77.238.172.0/23, blocks inside it, or blocks containing it.
- 77.238.160.0/19M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 77.238.160.0/19 | Yahoo! UK Services Limited | Yahoo-UK Limited | M&A |
Origin ASN
AS10310
YAHOO-1 - Yahoo Holdings Inc.
Related Prefixes
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/77.238.172.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/77.238.172.0/23" | jq
External Links