AS173 Nippon Telegraph and Telephone Corporation 🇯🇵 JP
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
8,704 (34 × /24)
IPv6 prefixes
0
-
Upstreams
1
transit providers observed
Peers
5
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS173
- Name
- Nippon Telegraph and Telephone Corporation
- Organisation
- NTT Network Innovation Laboratories
- Country
- 🇯🇵 JP
- RIR
- APNIC
- Allocated
- 2002-08-01
- Network type
- Educational/Research
- Traffic levels
- 20-100Mbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-MAPOS
- PeeringDB
- net/7022
- Exchanges
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS2518 BIGLOBE Inc. | 🇯🇵 JP | 158 | 33 | 203 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 52,866 | 235 | 45 | CAIDA |
| AS8966 Etisalat (E&) | 🇦🇪 AE | 42,477 | 49 | 7 | CAIDA |
| AS20485 TransTeleCom JSC | 🇷🇺 RU | 28,180 | 85 | 7 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,647 | 45 | 7 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇭 PH | 273 | 567 | 7 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS2511 Nippon Telegraph and Telephone Corporation | 🇯🇵 JP | 0 | 5 | 197 | CAIDA |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.