HomeASN LookupAS2497

AS2497

🇯🇵

IIJ - Internet Initiative Japan Inc.A91A7381

APNICallocated
Announced Prefixes (BGP)
236total
225 IPv411 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)2.0M
Announced (BGP)4.0M
IPv6 Addresses ⓘ
Allocated (RIR)3.1×10^29
Announced (BGP)3.2×10^29
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
50
Country
🇯🇵 JP
RIR
APNIC
Status
allocated
Allocated
4/5/2002

Announced Prefixes

(BGP)235
|
Prefix
RPKI
IRR
Last Seen
14.137.235.0/24
 Valid
RADB
9/9/2026
14.137.243.0/24
 Valid
RADB
9/9/2026
23.131.136.0/24
 Valid
ARINRADB
9/9/2026
23.159.40.0/24
 Valid
ARINRADB
9/9/2026
23.183.56.0/24
 Valid
ARINRADB
9/9/2026
45.38.103.0/24MOAS
 Valid
ARINRADB
9/9/2026
45.38.104.0/24MOAS
 Valid
ARINRADB
9/9/2026
45.39.42.0/24MOAS
 Valid
ARINRADB
9/9/2026
45.39.47.0/24MOAS
 Valid
ARINRADB
9/9/2026
49.239.64.0/18
 Valid
RADB
9/9/2026
1–10 of 235
1 / 24

Allocated Prefixes

(RIR)74
Prefix
Country
RIR
Status
23.131.136.0/24🇯🇵 JPARINallocated
23.159.40.0/24🇯🇵 JPARINallocated
23.183.56.0/24🇯🇵 JPARINallocated
49.239.64.0/18🇯🇵 JPAPNICallocated
58.138.0.0/17🇯🇵 JPAPNICallocated
58.138.128.0/18🇯🇵 JPAPNICallocated
79.170.199.0/24🇭🇰 HKRIPENCCallocated
101.128.128.0/17🇯🇵 JPAPNICallocated
103.2.57.0/24🇯🇵 JPAPNICallocated
103.2.58.0/23🇯🇵 JPAPNICallocated
1–10 of 74
1 / 8

Downstream Customers(2)

ASNName
AS4774🇯🇵ABONE-AS - A-Bone by Internet Initiative Japan Inc.
AS4777🇯🇵APNIC-COLO - Asia Pacific Network Information Centre
ASPA
No ASPA0 upstreams, 2 downstreams
Listed as Upstream Provider by
2 ASNs
View full ASPA details →
External Links
APNIC WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/2497

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/2497" | jq