$ query “AS17439” --type=asn → 1 result(s)

AS17439 · NCINSPL-IN

NTTCINS

AS17439 belongs to NTTCINS and is a major transit provider, based in India. The system announces a solid 135 936 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in India, with additional presence in Singapore. Prefix announcements for this AS were recently updated.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇮🇳 India
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
493 / 50
IPv6 Prefixes (raw / aggregated)
28 / 17
IPv4 Addresses
135 936
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/36
Geolocated Countries
🇮🇳 India (257 280 IPs), 🇸🇬 Singapore (512 IPs)
Prefix Changed
April 28, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 135 936 total (0.00%)

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
3 networks exchanging traffic without transit
Downstream Customers
54 downstreams buying transit
Unclassified
5 unclassified BGP neighbors
Degree
66 unique BGP neighbors
Reach
297 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (493 total)

  • 180.179.0.0/16 (65 536 addresses (/16 prefix))
  • 124.153.64.0/18 (16 384 addresses (/18 prefix))
  • 123.108.32.0/19 (8 192 addresses (/19 prefix))
  • 202.87.32.0/19 (8 192 addresses (/19 prefix))
  • 142.79.224.0/19 (8 192 addresses (/19 prefix))
  • 159.117.144.0/20 (4 096 addresses (/20 prefix))
  • 203.112.144.0/21 (2 048 addresses (/21 prefix))
  • 103.30.152.0/22 (1 024 addresses (/22 prefix))
  • 103.70.160.0/22 (1 024 addresses (/22 prefix))
  • 103.83.220.0/22 (1 024 addresses (/22 prefix))
  • 168.220.224.0/22 (1 024 addresses (/22 prefix))
  • 168.220.252.0/22 (1 024 addresses (/22 prefix))
  • 43.225.0.0/22 (1 024 addresses (/22 prefix))
  • 137.59.204.0/22 (1 024 addresses (/22 prefix))
  • 103.100.80.0/22 (1 024 addresses (/22 prefix))
  • 203.95.216.0/22 (1 024 addresses (/22 prefix))
  • 45.251.76.0/22 (1 024 addresses (/22 prefix))
  • 103.239.136.0/22 (1 024 addresses (/22 prefix))
  • 103.138.136.0/22 (1 024 addresses (/22 prefix))
  • 103.235.104.0/22 (1 024 addresses (/22 prefix))
  • 103.214.114.0/23 (512 addresses (/23 prefix))
  • 103.99.172.0/23 (512 addresses (/23 prefix))
  • 203.112.142.0/23 (512 addresses (/23 prefix))
  • 103.181.20.0/23 (512 addresses (/23 prefix))
  • 203.112.138.0/23 (512 addresses (/23 prefix))
  • 103.214.122.0/23 (512 addresses (/23 prefix))
  • 49.213.48.0/23 (512 addresses (/23 prefix))
  • 103.19.52.0/23 (512 addresses (/23 prefix))
  • 168.220.228.0/23 (512 addresses (/23 prefix))
  • 103.96.251.0/24 (256 addresses (/24 prefix))
  • 103.57.16.0/24 (256 addresses (/24 prefix))
  • 103.135.36.0/24 (256 addresses (/24 prefix))
  • 103.115.194.0/24 (256 addresses (/24 prefix))
  • 103.114.229.0/24 (256 addresses (/24 prefix))
  • 103.228.103.0/24 (256 addresses (/24 prefix))
  • 103.144.110.0/24 (256 addresses (/24 prefix))
  • 157.10.41.0/24 (256 addresses (/24 prefix))
  • 103.96.95.0/24 (256 addresses (/24 prefix))
  • 103.89.249.0/24 (256 addresses (/24 prefix))
  • 103.226.224.0/24 (256 addresses (/24 prefix))
  • 103.141.252.0/24 (256 addresses (/24 prefix))
  • 103.43.2.0/24 (256 addresses (/24 prefix))
  • 202.3.13.0/24 (256 addresses (/24 prefix))
  • 103.225.99.0/24 (256 addresses (/24 prefix))
  • 103.216.161.0/24 (256 addresses (/24 prefix))
  • 203.112.136.0/24 (256 addresses (/24 prefix))
  • 103.143.38.0/24 (256 addresses (/24 prefix))
  • 203.112.141.0/24 (256 addresses (/24 prefix))
  • 103.170.114.0/24 (256 addresses (/24 prefix))
  • 45.64.12.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (28 total)

  • 2406:69c0:1000::/36
  • 2401:8800:1000::/39
  • 2401:8800:e00::/40
  • 2401:8800:800::/40
  • 2401:8800:1400::/40
  • 2401:8800::/40
  • 2401:8800:200::/40
  • 2401:8800:400::/40
  • 2401:8800:600::/40
  • 2401:8800:1200::/40
  • 2401:8800:a00::/40
  • 2401:8800:c00::/40
  • 2400:ffc0::/47
  • 2400:ffc0:13c::/47
  • 2001:df0:3a00::/48
  • 2001:df4:3500::/48
  • 2001:df0:6e80::/48