$ query “AS4755” --type=asn → 1 result(s)

AS4755 · TATACOMM-AS

Tata Communications Limited

AS4755 belongs to Tata Communications Limited and is a major transit provider, registered in India. The system announces an impressive 1.8 million IPv4 addresses, including a /14, and supports IPv6. Most of its address space is geolocated to India, with additional presence in Australia and Sri Lanka, and smaller footprints in 2 additional countries. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #36 by Reach — Top 100 by customer cone size
  • #2 in India — Top 10 by reach within country

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 19, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 297 / 224
IPv6 Prefixes (raw / aggregated)
18 / 6
IPv4 Addresses
1 784 576
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇮🇳 India (2 344 192 IPs), 🇦🇺 Australia (52 736 IPs), 🇱🇰 Sri Lanka (8 448 IPs) and 2 more
Prefix Changed
April 19, 2026

Reputation

Reputation
Good — 4 flagged IPs out of 1 784 576 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
12 networks exchanging traffic without transit
Downstream Customers
774 downstreams buying transit
Unclassified
23 unclassified BGP neighbors
Degree
811 unique BGP neighbors
Reach
43 149 networks in customer cone

Upstream Providers (2)

Prefix Lists

IPv4 Prefixes (2 297 total)

  • 14.140.0.0/14 (262 144 addresses (/14 prefix))
  • 115.112.0.0/15 (131 072 addresses (/15 prefix))
  • 121.240.0.0/15 (131 072 addresses (/15 prefix))
  • 59.160.0.0/16 (65 536 addresses (/16 prefix))
  • 59.163.0.0/16 (65 536 addresses (/16 prefix))
  • 115.119.0.0/16 (65 536 addresses (/16 prefix))
  • 203.197.0.0/16 (65 536 addresses (/16 prefix))
  • 61.17.0.0/16 (65 536 addresses (/16 prefix))
  • 115.116.0.0/16 (65 536 addresses (/16 prefix))
  • 115.115.0.0/16 (65 536 addresses (/16 prefix))
  • 202.54.0.0/16 (65 536 addresses (/16 prefix))
  • 203.200.0.0/16 (65 536 addresses (/16 prefix))
  • 121.242.0.0/16 (65 536 addresses (/16 prefix))
  • 203.199.0.0/16 (65 536 addresses (/16 prefix))
  • 121.244.0.0/17 (32 768 addresses (/17 prefix))
  • 59.165.128.0/17 (32 768 addresses (/17 prefix))
  • 121.243.0.0/17 (32 768 addresses (/17 prefix))
  • 115.110.128.0/17 (32 768 addresses (/17 prefix))
  • 59.161.64.0/18 (16 384 addresses (/18 prefix))
  • 203.124.192.0/18 (16 384 addresses (/18 prefix))
  • 121.245.64.0/18 (16 384 addresses (/18 prefix))
  • 59.162.0.0/18 (16 384 addresses (/18 prefix))
  • 158.144.128.0/18 (16 384 addresses (/18 prefix))
  • 121.244.128.0/18 (16 384 addresses (/18 prefix))
  • 115.111.64.0/18 (16 384 addresses (/18 prefix))
  • 219.64.0.0/18 (16 384 addresses (/18 prefix))
  • 115.111.192.0/18 (16 384 addresses (/18 prefix))
  • 59.165.64.0/18 (16 384 addresses (/18 prefix))
  • 219.64.224.0/19 (8 192 addresses (/19 prefix))
  • 219.65.64.0/19 (8 192 addresses (/19 prefix))
  • 121.244.192.0/19 (8 192 addresses (/19 prefix))
  • 121.245.0.0/19 (8 192 addresses (/19 prefix))
  • 59.161.128.0/19 (8 192 addresses (/19 prefix))
  • 61.11.0.0/19 (8 192 addresses (/19 prefix))
  • 115.114.96.0/19 (8 192 addresses (/19 prefix))
  • 115.111.0.0/19 (8 192 addresses (/19 prefix))
  • 210.211.128.0/19 (8 192 addresses (/19 prefix))
  • 59.161.32.0/19 (8 192 addresses (/19 prefix))
  • 219.65.32.0/19 (8 192 addresses (/19 prefix))
  • 115.110.64.0/19 (8 192 addresses (/19 prefix))
  • 115.111.32.0/20 (4 096 addresses (/20 prefix))
  • 219.65.96.0/20 (4 096 addresses (/20 prefix))
  • 115.110.96.0/20 (4 096 addresses (/20 prefix))
  • 219.64.96.0/20 (4 096 addresses (/20 prefix))
  • 17.76.240.0/20 (4 096 addresses (/20 prefix))
  • 59.162.96.0/20 (4 096 addresses (/20 prefix))
  • 115.111.176.0/20 (4 096 addresses (/20 prefix))
  • 59.161.240.0/20 (4 096 addresses (/20 prefix))
  • 59.162.64.0/20 (4 096 addresses (/20 prefix))
  • 115.114.0.0/20 (4 096 addresses (/20 prefix))
  • and 174 more

IPv6 Prefixes (18 total)

  • 2400:a240::/32
  • 2403::/32
  • 2604:a140:1502::/47
  • 2001:df0:7400::/48
  • 2001:df1:6001::/48
  • 2405:2000:d01::/48