HomePrefix Lookup62.172.0.0/21

62.172.0.0/21

🇳🇱
IPv4RIPEassignedAS5400BT British Telecommunications PLC RPKI Valid
CIDR
62.172.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇱 The Netherlands
City
Amsterdam (Amsterdam-Zuidoost)
RIR
RIPE
Status
assigned
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
62.172.0.0/21AS5400BT British Telecommunications PLC Valid
RIPE
6/2/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
62.172.0.0/16AS2856BT-UK-AS British Telecommunications PLC Valid—6/2/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
62.172.0.0/21AS5400/21ripe
62.172.0.0/16AS2856/16ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS5400RIPECIP-MNT5/5/2004
Geolocation
Country🇳🇱The NetherlandsNL
RegionNorth Holland
CityAmsterdam (Amsterdam-Zuidoost)
Abuse Contact
GEThttps://api.ipctl.io/v1/prefix/62.172.0.0/21

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/62.172.0.0/21" | jq