$ query “AS173” --type=asn → 1 result(s)
AS173 — NTTECL-AS
Nippon Telegraph and Telephone Corporation
AS173 is a residential access provider run by Nippon Telegraph and Telephone Corporation, based in Japan. The network announces 8 704 IPv4 addresses. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇯🇵 Japan
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 8 704
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Geolocated Countries
- 🇯🇵 JP (2 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 8 704 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 8 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 1 downstream autonomous systems buying transit
- Degree
- 11 unique BGP neighbors (providers + customers + peers)
- Reach
- 1 — customer cone size measuring network influence
- Degree Rank
- #10 041
- Reach Rank
- #7 997
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (2 total)
- 163.138.160.0/19 (8 192 addresses)
- 192.47.168.0/23 (512 addresses)