63.251.0.0/16 - BGP Prefix
IPv4not announcedNo ROA
CIDR
63.251.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Chicago (West Loop)
Status
not announced
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. | ||||
More-Specific Announcements
79 more-specific announcementsMore Specific Prefixes
Transfer History
Registry transfers of 63.251.0.0/16, blocks inside it, or blocks containing it.
- 63.251.202.0/24inter-RIRTransfer ·
- 63.251.201.0/24Transfer ·
- 63.251.192.0/19M&A ·
- 63.251.128.0/18M&A ·
- 63.251.84.0/23M&A ·
- 63.251.80.0/22M&A ·
- 63.251.64.0/20M&A ·
- 63.251.32.0/19M&A ·
- 63.251.16.0/20M&A ·
- 63.251.236.0/23Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 63.251.202.0/24inter-RIR | Transfer | |||
| 63.251.201.0/24 | Transfer | |||
| 63.251.192.0/19 | M&A | |||
| 63.251.128.0/18 | M&A | |||
| 63.251.84.0/23 | M&A | |||
| 63.251.80.0/22 | M&A | |||
| 63.251.64.0/20 | M&A | |||
| 63.251.32.0/19 | M&A | |||
| 63.251.16.0/20 | M&A | |||
| 63.251.236.0/23 | Transfer |
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/63.251.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/63.251.0.0/16" | jq
External Links