$ query “AS1257” --type=asn → 1 result(s)

AS1257 · SWIPNET

Tele2 Sverige AB

AS1257 is owned by Tele2 Sverige AB and is a major transit provider, based in Sweden since 2002. The system announces an impressive 6.5 million IPv4 addresses, including a /12, and supports IPv6. Its primary geographic footprint is in Sweden, with additional presence in Lithuania and Latvia, and smaller footprints in 9 additional countries. This AS's prefix announcements have been recently modified.

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

Basic Information

Country
🇸🇪 Sweden
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 19, 2002
Last Changed
March 04, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
388 / 274
IPv6 Prefixes (raw / aggregated)
38 / 32
IPv4 Addresses
6 460 928
Largest IPv4 Prefix
/12 (1 048 576 addresses)
Largest IPv6 Prefix
/25
Geolocated Countries
🇸🇪 Sweden (5 158 144 IPs), 🇱🇹 Lithuania (695 296 IPs), 🇱🇻 Latvia (354 384 IPs) and 9 more
Prefix Changed
October 16, 2026

Reputation

Reputation
Good — 52 flagged IPs out of 6 460 928 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
148 networks exchanging traffic without transit
Downstream Customers
192 downstreams buying transit
Unclassified
19 unclassified BGP neighbors
Degree
361 unique BGP neighbors
Reach
258 networks in customer cone

Upstream Providers (2)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (388 total)

  • 83.176.0.0/12 (1 048 576 addresses (/12 prefix))
  • 90.128.0.0/12 (1 048 576 addresses (/12 prefix))
  • 83.248.0.0/13 (524 288 addresses (/13 prefix))
  • 5.240.0.0/14 (262 144 addresses (/14 prefix))
  • 37.196.0.0/14 (262 144 addresses (/14 prefix))
  • 91.128.0.0/14 (262 144 addresses (/14 prefix))
  • 176.68.0.0/14 (262 144 addresses (/14 prefix))
  • 188.148.0.0/14 (262 144 addresses (/14 prefix))
  • 193.12.0.0/14 (262 144 addresses (/14 prefix))
  • 213.100.0.0/14 (262 144 addresses (/14 prefix))
  • 37.2.0.0/15 (131 072 addresses (/15 prefix))
  • 77.218.0.0/15 (131 072 addresses (/15 prefix))
  • 80.216.0.0/15 (131 072 addresses (/15 prefix))
  • 193.216.0.0/15 (131 072 addresses (/15 prefix))
  • 80.170.0.0/16 (65 536 addresses (/16 prefix))
  • 81.216.0.0/16 (65 536 addresses (/16 prefix))
  • 88.131.0.0/16 (65 536 addresses (/16 prefix))
  • 90.144.0.0/16 (65 536 addresses (/16 prefix))
  • 91.95.0.0/16 (65 536 addresses (/16 prefix))
  • 130.244.0.0/16 (65 536 addresses (/16 prefix))
  • 150.227.0.0/16 (65 536 addresses (/16 prefix))
  • 151.177.0.0/16 (65 536 addresses (/16 prefix))
  • 159.190.0.0/16 (65 536 addresses (/16 prefix))
  • 195.84.0.0/16 (65 536 addresses (/16 prefix))
  • 212.151.0.0/16 (65 536 addresses (/16 prefix))
  • 212.214.0.0/16 (65 536 addresses (/16 prefix))
  • 212.247.0.0/16 (65 536 addresses (/16 prefix))
  • 213.50.0.0/16 (65 536 addresses (/16 prefix))
  • 213.89.0.0/16 (65 536 addresses (/16 prefix))
  • 37.0.128.0/17 (32 768 addresses (/17 prefix))
  • 62.95.0.0/17 (32 768 addresses (/17 prefix))
  • 87.227.0.0/17 (32 768 addresses (/17 prefix))
  • 94.186.0.0/17 (32 768 addresses (/17 prefix))
  • 213.88.128.0/17 (32 768 addresses (/17 prefix))
  • 62.181.64.0/18 (16 384 addresses (/18 prefix))
  • 78.28.64.0/18 (16 384 addresses (/18 prefix))
  • 85.194.0.0/18 (16 384 addresses (/18 prefix))
  • 95.153.0.0/18 (16 384 addresses (/18 prefix))
  • 193.150.192.0/18 (16 384 addresses (/18 prefix))
  • 213.200.128.0/18 (16 384 addresses (/18 prefix))
  • 31.15.32.0/19 (8 192 addresses (/19 prefix))
  • 62.65.0.0/19 (8 192 addresses (/19 prefix))
  • 77.233.64.0/19 (8 192 addresses (/19 prefix))
  • 88.84.224.0/19 (8 192 addresses (/19 prefix))
  • 195.22.64.0/19 (8 192 addresses (/19 prefix))
  • 195.42.192.0/19 (8 192 addresses (/19 prefix))
  • 195.54.128.0/19 (8 192 addresses (/19 prefix))
  • 212.107.32.0/19 (8 192 addresses (/19 prefix))
  • 212.162.160.0/19 (8 192 addresses (/19 prefix))
  • 213.130.192.0/19 (8 192 addresses (/19 prefix))

IPv6 Prefixes (38 total)

  • 2a00:800::/25
  • 2a04:ae00::/26
  • 2001:6f0::/29
  • 2a07:4040::/29
  • 2a0a:3740::/29
  • 2a00:cc8::/32
  • 2a01:1b8::/32
  • 2001:678:54c::/48
  • 2001:678:d5c::/48
  • 2001:678:edc::/48
  • 2001:67c:448::/48
  • 2001:67c:488::/48
  • 2001:67c:c20::/48
  • 2001:67c:10c8::/48
  • 2001:67c:10cc::/48
  • 2001:67c:1118::/48
  • 2001:67c:13f4::/48
  • 2001:67c:1488::/48
  • 2001:67c:15c8::/48
  • 2001:67c:17bc::/48
  • 2001:67c:17dc::/48
  • 2001:67c:17f4::/48
  • 2001:67c:189c::/48
  • 2001:67c:1920::/48
  • 2001:67c:22c8::/48
  • 2001:67c:2650::/48
  • 2001:67c:28c4::/48
  • 2001:67c:2b24::/48
  • 2001:67c:2bd4::/48
  • 2001:67c:2c4c::/48
  • 2a01:280:390::/48
  • 2a11:cd40:1000::/48