HomePrefix Lookup210.81.0.0/16

210.81.0.0/16

🇯🇵
IPv4APNICannouncedAS703UUNET - Verizon BusinessNo ROA
CIDR
210.81.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Shibuya City
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
210.81.0.0/16AS703UUNET - Verizon BusinessNo ROA
RADB
5/31/2026

Covering Prefix

2 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
210.81.255.0/24AS1670ANS-UK - Verizon BusinessNo ROA—5/31/2026
210.81.69.0/24AS16509AMAZON-02 - Amazon.com, Inc. Valid—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS703RADBMAINT-AS754511/13/2023

More Specific Prefixes

66
PrefixASCountryStatus
210.81.64.0/18AS9466🇯🇵JPallocated
210.81.128.0/18AS9466🇯🇵JPallocated
210.81.192.0/18AS9466🇯🇵JPallocated
210.81.0.0/19AS9466🇯🇵JPallocated
210.81.32.0/19AS9466🇯🇵JPallocated
210.81.232.0/22🇯🇵JPassigned
210.81.27.0/24🇯🇵JPassigned
210.81.69.0/24AS16509🇯🇵JPassigned
210.81.88.128/27🇯🇵JPassigned
210.81.244.96/27🇯🇵JPassigned
210.81.240.160/27🇯🇵JPassigned
210.81.26.32/27🇯🇵JPassigned
210.81.95.192/27🇯🇵JPassigned
210.81.26.96/27🇯🇵JPassigned
210.81.38.128/27🇯🇵JPassigned
210.81.48.160/27🇯🇵JPassigned
210.81.48.192/27🇯🇵JPassigned
210.81.52.64/27🇯🇵JPassigned
210.81.88.192/27🇯🇵JPassigned
210.81.88.160/27🇯🇵JPassigned
210.81.59.160/27🇯🇵JPassigned
210.81.52.96/27🇯🇵JPassigned
210.81.42.128/27🇯🇵JPassigned
210.81.38.160/27🇯🇵JPassigned
210.81.241.192/27🇯🇵JPassigned
210.81.243.224/27🇯🇵JPassigned
210.81.227.64/27🇯🇵JPassigned
210.81.88.224/27🇯🇵JPassigned
210.81.38.64/27🇯🇵JPassigned
210.81.37.64/27🇯🇵JPassigned
210.81.77.32/27🇯🇵JPassigned
210.81.71.128/27🇯🇵JPassigned
210.81.12.96/27🇯🇵JPassigned
210.81.22.224/27🇯🇵JPassigned
210.81.26.0/27🇯🇵JPassigned
210.81.16.32/28🇯🇵JPassigned
210.81.12.192/28🇯🇵JPassigned
210.81.12.208/28🇯🇵JPassigned
210.81.4.96/28🇯🇵JPassigned
210.81.11.176/28🇯🇵JPassigned
210.81.4.32/28🇯🇵JPassigned
210.81.4.112/28🇯🇵JPassigned
210.81.11.96/28🇯🇵JPassigned
210.81.11.240/28🇯🇵JPassigned
210.81.4.80/28🇯🇵JPassigned
210.81.22.160/28🇯🇵JPassigned
210.81.16.56/29🇯🇵JPassigned
210.81.37.8/29🇯🇵JPassigned
210.81.42.208/29🇯🇵JPassigned
210.81.144.152/29🇯🇵JPassigned
210.81.59.136/29🇯🇵JPassigned
210.81.134.80/29🇯🇵JPassigned
210.81.77.176/29🇯🇵JPassigned
210.81.164.208/29🇯🇵JPassigned
210.81.11.168/29🇯🇵JPassigned
210.81.42.216/29🇯🇵JPassigned
210.81.38.96/29🇯🇵JPassigned
210.81.149.40/29🇯🇵JPassigned
210.81.5.92/30🇯🇵JPassigned
210.81.5.24/30🇯🇵JPassigned
210.81.5.180/30🇯🇵JPassigned
210.81.162.104/30🇯🇵JPassigned
210.81.109.120/30🇯🇵JPassigned
210.81.9.28/30🇯🇵JPassigned
210.81.13.40/30🇯🇵JPassigned
210.81.92.196/30🇺🇸USassigned
Origin ASN
AS703
UUNET - Verizon Business
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityShibuya City
Coordinates35.6864, 139.7000 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/210.81.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/210.81.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP