HomeASN LookupAS3949

AS3949

NTTA-3946 - NTT America, Inc.

Announced Prefixes (BGP)
77total
76 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)7,168
Announced (BGP)38,400
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)1.2×10^24
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
5
Allocated
—

Announced Prefixes

(BGP)77
|
Prefix
RPKI
IRR
Last Seen
23.27.212.0/24
 Valid
ARIN
9/10/2026
23.27.213.0/24
 Valid
ARIN
9/10/2026
23.27.227.0/24
 Valid
ARIN
9/10/2026
23.27.229.0/24
 Valid
ARIN
9/10/2026
45.149.225.0/24
No ROA
RIPE
9/10/2026
45.149.226.0/24
No ROA—9/10/2026
62.73.186.0/24
 Valid—9/10/2026
80.96.148.0/23MOAS
 Valid
RIPE
9/10/2026
80.174.148.0/22MOAS
 Invalid—9/10/2026
80.174.152.0/22
 Invalid—9/10/2026
1–10 of 77
1 / 8

Allocated Prefixes

(RIR)12
Prefix
Country
RIR
Status
45.149.225.0/24🇬🇧 GBRIPEassigned
45.149.226.0/24🇭🇰 HKRIPEassigned
62.73.186.0/24🇬🇧 GBRIPEassigned
80.174.148.0/22🇩🇪 DERIPEassigned
171.22.145.0/24🇩🇪 DERIPENCCallocated
185.243.129.0/24🇩🇪 DERIPENCCallocated
193.28.144.0/24🇺🇸 USRIPENCCallocated
193.28.148.0/24🇺🇸 USRIPENCCallocated
193.39.136.0/24🇬🇧 GBRIPENCCassigned
205.132.16.0/21🇺🇸 USARINallocated
1–10 of 12
1 / 2
ASPA
No ASPA
External Links
Hurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/3949

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

curl -s "https://api.ipctl.io/v1/asn/3949" | jq