177.4.80.0/21 - BGP Prefix
IPv4APNICassigned RPKI Valid
CIDR
177.4.80.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
Related Announcements
1 less-specific, 26 more-specific announcementsRPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS18186 | APNIC | MAINT-JTIP-SG | 2026-07-22 |
| AS395886 | APNIC | MAINT-JTIP-SG | 2026-07-22 |
| AS40115 | APNIC | MAINT-JTIP-SG | 2026-07-22 |
| AS137535 | APNIC | MAINT-JTIP-SG | 2026-07-22 |
| AS140224 | APNIC | MAINT-JTIP-SG | 2026-07-22 |
| AS8796 | APNIC | MAINT-JTIP-SG | 2026-07-22 |
| AS140227 | APNIC | MAINT-JTIP-SG | 2026-07-22 |
| AS7607 | APNIC | MAINT-HKCICL-HK | 2026-08-06 |
Transfer History
Registry transfers of 177.4.80.0/21, blocks inside it, or blocks containing it.
- 177.4.80.0/20inter-RIRTransfer ·
- 177.4.80.0/20inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 177.4.80.0/20inter-RIR | Transfer | |||
| 177.4.80.0/20inter-RIR | Transfer |
Related Prefixes
Geolocation
Country🇯🇵JapanJP
CityTokyo
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 APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/177.4.80.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/177.4.80.0/21" | jq
External Links