216.203.18.0/23 - BGP Prefix
IPv4ARINallocated
CIDR
216.203.18.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Philadelphia (Center City)
RIR
ARIN
Status
allocated
Allocated
1999-08-18
Transfer History
Registry transfers of 216.203.18.0/23, blocks inside it, or blocks containing it.
- 216.203.16.0/22M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 216.203.16.0/22 | M&A |
Geolocation
Country🇺🇸United StatesUS
RegionPennsylvania
CityPhiladelphia (Center City)
Coordinates39.9596, -75.1610 ↗
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/216.203.18.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/216.203.18.0/23" | jq
External Links