HomePrefix Lookup23.249.16.0/20

23.249.16.0/20

🇯🇵
IPv4ARINallocatedAS8796FD-298-8796 - FASTNET DATA INC RPKI Valid
CIDR
23.249.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
ARIN
Status
allocated
Allocated
9/5/2023

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
23.249.16.0/20AS8796FD-298-8796 - FASTNET DATA INC Valid
ARIN
7/15/2026

Covering Prefix

17 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
23.249.30.0/23AS152156NARUTO-AS-HK - Naruto Valid—7/15/2026
23.249.20.0/23AS152156NARUTO-AS-HK - Naruto Valid—7/15/2026
23.249.28.0/23AS152156NARUTO-AS-HK - Naruto Valid—7/15/2026
23.249.16.0/23AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026
23.249.26.0/23AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026
23.249.18.0/23AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026
23.249.20.0/24AS152156NARUTO-AS-HK - Naruto Valid—7/15/2026
23.249.28.0/24AS152156NARUTO-AS-HK - Naruto Valid—7/15/2026
23.249.21.0/24AS152156NARUTO-AS-HK - Naruto Valid—7/15/2026
23.249.29.0/24AS152156NARUTO-AS-HK - Naruto Valid—7/15/2026
23.249.17.0/24AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026
23.249.18.0/24AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026
23.249.19.0/24AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026
23.249.22.0/24AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026
23.249.23.0/24AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026
23.249.25.0/24AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026
23.249.16.0/24AS400618PRIME-SEC - Prime Security Corp. Valid—7/15/2026

RPKI ROAs

5
PrefixOriginMax LengthTrust Anchor
23.249.16.0/20AS8796/20arin
23.249.16.0/20AS140227/20arin
23.249.16.0/20AS153517/24arin
23.249.16.0/20AS395886/20arin
23.249.16.0/20AS400618/24arin

IRR Route Objects

5
OriginRegistryMaintainerModified
AS395886ARINMNT-PSC-5946/30/2026
AS153517ARINMNT-PSC-5944/23/2026
AS400618ARINMNT-PSC-5946/30/2026
AS8796ARINMNT-PSC-5946/30/2026
AS140227ARINMNT-PSC-5946/30/2026
Origin ASN
AS8796
FD-298-8796 - FASTNET DATA INC
Geolocation
Country🇯🇵JapanJP
CityTokyo
API
Open
GEThttps://api.ipctl.io/v1/prefix/23.249.16.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/23.249.16.0/20" | jq
External Links
RIPEstat Hurricane Electric BGP