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

AS1257 · SWIPNET

Tele2 Sverige AB

AS1257 is operated by Tele2 Sverige AB and serves as a major transit provider, registered in Sweden since 2002. The system announces an impressive 6.6 million IPv4 addresses, including a /12, and supports IPv6. The bulk of its IP address space is in Sweden, with additional presence in Latvia and Estonia, and smaller footprints in 11 additional countries. Prefix announcements for this AS were recently updated.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #5 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
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
390 / 274
IPv6 Prefixes (raw / aggregated)
38 / 32
IPv4 Addresses
6 596 608
Largest IPv4 Prefix
/12 (1 048 576 addresses)
Largest IPv6 Prefix
/25
Geolocated Countries
🇸🇪 Sweden (10 201 376 IPs), 🇱🇻 Latvia (1 692 240 IPs), 🇪🇪 Estonia (1 420 560 IPs) and 11 more
Prefix Changed
April 23, 2026

Reputation

Reputation
Good — 44 flagged IPs out of 6 596 608 total (0.00%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
150 networks exchanging traffic without transit
Downstream Customers
189 downstreams buying transit
Unclassified
14 unclassified BGP neighbors
Degree
355 unique BGP neighbors
Reach
274 networks in customer cone

Upstream Providers (2)

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

Prefix Lists

IPv4 Prefixes (390 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))
  • 188.148.0.0/14 (262 144 addresses (/14 prefix))
  • 37.196.0.0/14 (262 144 addresses (/14 prefix))
  • 176.68.0.0/14 (262 144 addresses (/14 prefix))
  • 91.128.0.0/14 (262 144 addresses (/14 prefix))
  • 5.240.0.0/14 (262 144 addresses (/14 prefix))
  • 193.12.0.0/14 (262 144 addresses (/14 prefix))
  • 77.216.0.0/14 (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))
  • 193.216.0.0/15 (131 072 addresses (/15 prefix))
  • 80.216.0.0/15 (131 072 addresses (/15 prefix))
  • 195.84.0.0/16 (65 536 addresses (/16 prefix))
  • 130.244.0.0/16 (65 536 addresses (/16 prefix))
  • 213.89.0.0/16 (65 536 addresses (/16 prefix))
  • 80.170.0.0/16 (65 536 addresses (/16 prefix))
  • 212.247.0.0/16 (65 536 addresses (/16 prefix))
  • 212.214.0.0/16 (65 536 addresses (/16 prefix))
  • 81.216.0.0/16 (65 536 addresses (/16 prefix))
  • 213.50.0.0/16 (65 536 addresses (/16 prefix))
  • 212.151.0.0/16 (65 536 addresses (/16 prefix))
  • 150.227.0.0/16 (65 536 addresses (/16 prefix))
  • 91.95.0.0/16 (65 536 addresses (/16 prefix))
  • 90.144.0.0/16 (65 536 addresses (/16 prefix))
  • 151.177.0.0/16 (65 536 addresses (/16 prefix))
  • 88.131.0.0/16 (65 536 addresses (/16 prefix))
  • 159.190.0.0/16 (65 536 addresses (/16 prefix))
  • 213.88.128.0/17 (32 768 addresses (/17 prefix))
  • 87.227.0.0/17 (32 768 addresses (/17 prefix))
  • 37.0.128.0/17 (32 768 addresses (/17 prefix))
  • 62.95.0.0/17 (32 768 addresses (/17 prefix))
  • 94.186.0.0/17 (32 768 addresses (/17 prefix))
  • 62.181.64.0/18 (16 384 addresses (/18 prefix))
  • 85.194.0.0/18 (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))
  • 78.28.64.0/18 (16 384 addresses (/18 prefix))
  • 95.153.0.0/18 (16 384 addresses (/18 prefix))
  • 195.54.128.0/19 (8 192 addresses (/19 prefix))
  • 77.233.64.0/19 (8 192 addresses (/19 prefix))
  • 213.131.128.0/19 (8 192 addresses (/19 prefix))
  • 213.130.192.0/19 (8 192 addresses (/19 prefix))
  • 31.15.32.0/19 (8 192 addresses (/19 prefix))
  • 213.134.96.0/19 (8 192 addresses (/19 prefix))
  • 195.42.192.0/19 (8 192 addresses (/19 prefix))
  • 195.22.64.0/19 (8 192 addresses (/19 prefix))
  • 62.65.0.0/19 (8 192 addresses (/19 prefix))
  • 212.107.32.0/19 (8 192 addresses (/19 prefix))
  • and 224 more

IPv6 Prefixes (38 total)

  • 2a00:800::/25
  • 2a04:ae00::/26
  • 2001:6f0::/29
  • 2a0a:3740::/29
  • 2a01:b880::/32
  • 2a01:1b8::/32
  • 2a00:cc8::/32
  • 2001:67c:13f4::/48
  • 2001:67c:2bd4::/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
  • 2001:678:d5c::/48
  • 2001:67c:2c4c::/48
  • 2001:67c:1118::/48
  • 2001:67c:10cc::/48
  • 2001:67c:10c8::/48
  • 2001:67c:c20::/48
  • 2a01:280:390::/48
  • 2a01:7ee0::/48
  • 2001:67c:488::/48
  • 2001:67c:448::/48
  • 2001:678:edc::/48
  • 2a11:cd40:1000::/48