$ query “AS209554” --type=asn → 1 result(s)

AS209554 · ISIF-AS

ISIF OU

AS209554 belongs to ISIF OU and is an enterprise stub network, established in Estonia in 2022. The system announces 1 536 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Estonia.

Basic Information

Country
🇪🇪 Estonia
Category
Business
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 27, 2022
Last Changed
May 01, 2026
Last Seen
May 20, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
6 / 4
IPv6 Prefixes (raw / aggregated)
44 / 39
IPv4 Addresses
1 536
Largest IPv4 Prefix
/23 (512 addresses)
Largest IPv6 Prefix
/40
Geolocated Countries
🇪🇪 Estonia (3 072 IPs)
Prefix Changed
April 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
1 upstream providing transit
Peers
3 networks exchanging traffic without transit
Unclassified
7 unclassified BGP neighbors
Degree
11 unique BGP neighbors
Reach
0 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (6 total)

  • 31.58.222.0/23 (512 addresses (/23 prefix))
  • 151.240.12.0/23 (512 addresses (/23 prefix))
  • 45.95.212.0/24 (256 addresses (/24 prefix))
  • 194.231.149.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (44 total)

  • 2a0a:6040:ad00::/40
  • 2405:84c0:6f00::/40
  • 2a14:7580:6010::/44
  • 2a14:7580:6310::/44
  • 2a14:7580:6610::/44
  • 2a14:7580:6f10::/44
  • 2a14:7580:6e10::/44
  • 2a14:7580:6510::/44
  • 2a14:7580:6410::/44
  • 2a14:7580:6d10::/44
  • 2a14:7580:6c10::/44
  • 2a14:7580:6210::/44
  • 2a14:7580:6110::/44
  • 2a14:7580:6710::/44
  • 2a14:7581:a000::/44
  • 2a14:7580:6b10::/44
  • 2a14:7581:a100::/44
  • 2a14:7580:6910::/44
  • 2a14:7580:6810::/44
  • 2a14:7580:6a10::/44
  • 2405:84c0:8028::/45
  • 2405:84c0:8054::/46
  • 2405:84c0:8024::/46
  • 2405:84c0:8014::/46
  • 2405:84c0:8022::/47
  • 2405:84c0:8046::/47
  • 2405:84c0:8012::/47
  • 2405:84c0:8004::/47
  • 2405:84c0:8018::/48
  • 2405:84c0:8052::/48
  • 2405:84c0:8051::/48
  • 2405:84c0:804f::/48
  • 2405:84c0:8040::/48
  • 2405:84c0:801a::/48
  • 2001:df1:4580::/48
  • 2405:84c0:8011::/48
  • 2405:84c0:8007::/48
  • 2405:84c0:8003::/48
  • 2405:84c0:8001::/48