$ query “AS9583” --type=asn → 1 result(s)

AS9583 · SIFY-AS-IN

Sify Limited

AS9583 is owned by Sify Limited and is a major transit provider, registered in India. The system announces a solid 795 904 IPv4 addresses, including a /15, and supports IPv6. The bulk of its IP address space is in India, with additional presence in the United States and the United Kingdom, 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
  • #4 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
May 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 187 / 551
IPv6 Prefixes (raw / aggregated)
34 / 1
IPv4 Addresses
795 904
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇮🇳 India (1 062 144 IPs), 🇺🇸 United States (1 536 IPs), 🇦🇺 Australia (256 IPs) and 2 more
Prefix Changed
May 09, 2026

Reputation

Reputation
Good — 4 flagged IPs out of 795 904 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
8 upstreams providing transit
Peers
190 networks exchanging traffic without transit
Downstream Customers
211 downstreams buying transit
Unclassified
11 unclassified BGP neighbors
Degree
420 unique BGP neighbors
Reach
35 425 networks in customer cone

Upstream Providers (8)

  • AS174 — COGENT (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS4755 — TATACOMM-AS
  • AS3320 — DTAG (Tier-1 transit)
  • AS6453 — AS6453 (Tier-1 transit)
  • AS7473 — SINGTEL-AS-AP
  • AS55836 — RELIANCEJIO-IN

Prefix Lists

IPv4 Prefixes (2 187 total)

  • 223.30.0.0/15 (131 072 addresses (/15 prefix))
  • 118.94.0.0/15 (131 072 addresses (/15 prefix))
  • 1.6.0.0/16 (65 536 addresses (/16 prefix))
  • 119.226.0.0/18 (16 384 addresses (/18 prefix))
  • 119.226.128.0/18 (16 384 addresses (/18 prefix))
  • 1.7.128.0/18 (16 384 addresses (/18 prefix))
  • 210.18.32.0/19 (8 192 addresses (/19 prefix))
  • 202.144.32.0/19 (8 192 addresses (/19 prefix))
  • 202.191.128.0/19 (8 192 addresses (/19 prefix))
  • 119.226.224.0/19 (8 192 addresses (/19 prefix))
  • 210.210.16.0/20 (4 096 addresses (/20 prefix))
  • 1.7.208.0/20 (4 096 addresses (/20 prefix))
  • 210.18.80.0/20 (4 096 addresses (/20 prefix))
  • 202.191.192.0/20 (4 096 addresses (/20 prefix))
  • 202.191.160.0/20 (4 096 addresses (/20 prefix))
  • 210.18.112.0/20 (4 096 addresses (/20 prefix))
  • 1.7.32.0/20 (4 096 addresses (/20 prefix))
  • 119.226.192.0/20 (4 096 addresses (/20 prefix))
  • 1.7.16.0/20 (4 096 addresses (/20 prefix))
  • 202.191.224.0/20 (4 096 addresses (/20 prefix))
  • 1.7.224.0/20 (4 096 addresses (/20 prefix))
  • 210.210.32.0/20 (4 096 addresses (/20 prefix))
  • 202.144.64.0/20 (4 096 addresses (/20 prefix))
  • 202.144.112.0/20 (4 096 addresses (/20 prefix))
  • 210.210.112.0/20 (4 096 addresses (/20 prefix))
  • 210.214.32.0/20 (4 096 addresses (/20 prefix))
  • 119.226.64.0/20 (4 096 addresses (/20 prefix))
  • 119.226.96.0/20 (4 096 addresses (/20 prefix))
  • 202.177.152.0/21 (2 048 addresses (/21 prefix))
  • 202.191.248.0/21 (2 048 addresses (/21 prefix))
  • 119.226.80.0/21 (2 048 addresses (/21 prefix))
  • 221.135.184.0/21 (2 048 addresses (/21 prefix))
  • 210.214.240.0/21 (2 048 addresses (/21 prefix))
  • 202.177.160.0/21 (2 048 addresses (/21 prefix))
  • 119.226.120.0/21 (2 048 addresses (/21 prefix))
  • 202.144.24.0/21 (2 048 addresses (/21 prefix))
  • 1.7.192.0/21 (2 048 addresses (/21 prefix))
  • 202.177.184.0/21 (2 048 addresses (/21 prefix))
  • 124.30.56.0/21 (2 048 addresses (/21 prefix))
  • 124.30.200.0/21 (2 048 addresses (/21 prefix))
  • 1.7.96.0/21 (2 048 addresses (/21 prefix))
  • 119.226.216.0/21 (2 048 addresses (/21 prefix))
  • 1.7.88.0/21 (2 048 addresses (/21 prefix))
  • 221.135.56.0/21 (2 048 addresses (/21 prefix))
  • 202.191.208.0/21 (2 048 addresses (/21 prefix))
  • 124.30.184.0/21 (2 048 addresses (/21 prefix))
  • 221.135.32.0/21 (2 048 addresses (/21 prefix))
  • 202.144.88.0/21 (2 048 addresses (/21 prefix))
  • 210.18.16.0/21 (2 048 addresses (/21 prefix))
  • 124.30.168.0/21 (2 048 addresses (/21 prefix))

IPv6 Prefixes (34 total)

  • 2001:e48::/32