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

AS9583 · SIFY-AS-IN

Sify Limited

AS9583 belongs to Sify Limited and is a major transit provider, established 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.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #3 in India — Top 10 by reach within country

Basic Information

Country
🇮🇳 India
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
October 12, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 192 / 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 (794 112 IPs), 🇺🇸 United States (1 024 IPs), 🇬🇧 United Kingdom (256 IPs) and 2 more
Prefix Changed
September 24, 2026

Reputation

Reputation
Good — 3 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
688 networks exchanging traffic without transit
Downstream Customers
211 downstreams buying transit
Unclassified
10 unclassified BGP neighbors
Degree
917 unique BGP neighbors
Reach
510 networks in customer cone

Upstream Providers (8)

  • AS174 — COGENT-174 (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)
  • AS714 — APPLE-ENGINEERING
  • AS7473 — SINGTEL-AS-AP

Prefix Lists

IPv4 Prefixes (2 192 total)

  • 118.94.0.0/15 (131 072 addresses (/15 prefix))
  • 223.30.0.0/15 (131 072 addresses (/15 prefix))
  • 1.6.0.0/16 (65 536 addresses (/16 prefix))
  • 1.7.128.0/18 (16 384 addresses (/18 prefix))
  • 119.226.0.0/18 (16 384 addresses (/18 prefix))
  • 119.226.128.0/18 (16 384 addresses (/18 prefix))
  • 119.226.224.0/19 (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))
  • 210.18.32.0/19 (8 192 addresses (/19 prefix))
  • 1.7.16.0/20 (4 096 addresses (/20 prefix))
  • 1.7.32.0/20 (4 096 addresses (/20 prefix))
  • 1.7.208.0/20 (4 096 addresses (/20 prefix))
  • 1.7.224.0/20 (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))
  • 119.226.192.0/20 (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))
  • 202.191.160.0/20 (4 096 addresses (/20 prefix))
  • 202.191.192.0/20 (4 096 addresses (/20 prefix))
  • 202.191.224.0/20 (4 096 addresses (/20 prefix))
  • 210.18.80.0/20 (4 096 addresses (/20 prefix))
  • 210.18.112.0/20 (4 096 addresses (/20 prefix))
  • 210.210.16.0/20 (4 096 addresses (/20 prefix))
  • 210.210.32.0/20 (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))
  • 1.7.8.0/21 (2 048 addresses (/21 prefix))
  • 1.7.48.0/21 (2 048 addresses (/21 prefix))
  • 1.7.88.0/21 (2 048 addresses (/21 prefix))
  • 1.7.96.0/21 (2 048 addresses (/21 prefix))
  • 1.7.192.0/21 (2 048 addresses (/21 prefix))
  • 119.226.80.0/21 (2 048 addresses (/21 prefix))
  • 119.226.120.0/21 (2 048 addresses (/21 prefix))
  • 119.226.216.0/21 (2 048 addresses (/21 prefix))
  • 124.7.112.0/21 (2 048 addresses (/21 prefix))
  • 124.30.56.0/21 (2 048 addresses (/21 prefix))
  • 124.30.120.0/21 (2 048 addresses (/21 prefix))
  • 124.30.128.0/21 (2 048 addresses (/21 prefix))
  • 124.30.144.0/21 (2 048 addresses (/21 prefix))
  • 124.30.168.0/21 (2 048 addresses (/21 prefix))
  • 124.30.184.0/21 (2 048 addresses (/21 prefix))
  • 124.30.200.0/21 (2 048 addresses (/21 prefix))
  • 202.144.24.0/21 (2 048 addresses (/21 prefix))
  • 202.144.88.0/21 (2 048 addresses (/21 prefix))
  • 202.177.152.0/21 (2 048 addresses (/21 prefix))
  • 202.177.160.0/21 (2 048 addresses (/21 prefix))
  • 202.177.184.0/21 (2 048 addresses (/21 prefix))
  • 202.191.208.0/21 (2 048 addresses (/21 prefix))

IPv6 Prefixes (34 total)

  • 2001:e48::/32