HomePrefix Lookup57.72.128.0/17

57.72.128.0/17

🇯🇵
IPv4RIPENCCannouncedAS51964ORANGE-BUSINESS-SERVICES-IPSN-ASN ORANGE BUSINESS SERVICES U.S. Inc. RPKI Valid
CIDR
57.72.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇯🇵 Japan
City
Shibuya City
RIR
RIPENCC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
57.72.128.0/17AS51964ORANGE-BUSINESS-SERVICES-IPSN-ASN ORANGE BUSINESS SERVICES U.S. Inc. Valid
RADB
6/1/2026

Covering Prefix

3 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
57.72.0.0/15AS51964ORANGE-BUSINESS-SERVICES-IPSN-ASN ORANGE BUSINESS SERVICES U.S. Inc. Valid—6/1/2026
57.72.128.0/18AS51964ORANGE-BUSINESS-SERVICES-IPSN-ASN ORANGE BUSINESS SERVICES U.S. Inc. Valid—6/1/2026
57.72.160.0/24AS51964ORANGE-BUSINESS-SERVICES-IPSN-ASN ORANGE BUSINESS SERVICES U.S. Inc. Valid—6/1/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
57.72.0.0/15AS4862/32ripe
57.72.0.0/15AS51964/32ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS51964RADBMAINT-AS558311/13/2023

More Specific Prefixes

1
PrefixASCountryStatus
57.72.128.0/18AS51964🇯🇵JPassigned
Origin ASN
AS51964
ORANGE-BUSINESS-SERVICES-IPSN-ASN ORANGE BUSINESS SERVICES U.S. Inc.
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityShibuya City
Coordinates35.6764, 139.6500 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/57.72.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/57.72.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP