$ query “AS49981” --type=asn → 1 result(s)

AS49981 · WORLDSTREAM

WorldStream B.V.

AS49981 is owned by WorldStream B.V. and is a mid-size transit provider, registered in the Netherlands since 2009. The system announces a respectable 72 448 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the Netherlands, with additional presence in the United States and Germany, and smaller footprints in 14 additional countries. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇳🇱 Netherlands
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 01, 2009
Last Changed
March 04, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
112 / 106
IPv6 Prefixes (raw / aggregated)
17 / 14
IPv4 Addresses
72 448
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇳🇱 Netherlands (100 768 IPs), 🇺🇸 United States (3 328 IPs), 🇩🇪 Germany (1 664 IPs) and 14 more
Prefix Changed
June 19, 2026

Reputation

Reputation
Good — 36 flagged IPs out of 72 448 total (0.05%)
Open Proxies
4 known open proxies in this network

Connectivity Summary

Upstream Providers
8 upstreams providing transit
Peers
195 networks exchanging traffic without transit
Downstream Customers
35 downstreams buying transit
Unclassified
8 unclassified BGP neighbors
Degree
246 unique BGP neighbors
Reach
79 networks in customer cone

Upstream Providers (8)

  • AS174 — COGENT (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3320 — DTAG (Tier-1 transit)
  • AS39686 — AS-EUROFIBER
  • AS5511 — OPENTRANSIT (Tier-1 transit)
  • AS50263 — IXP-1-IX-EU
  • AS6830 — LIBERTYGLOBAL (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (112 total)

  • 190.2.128.0/19 (8 192 addresses (/19 prefix))
  • 217.23.0.0/20 (4 096 addresses (/20 prefix))
  • 109.236.80.0/20 (4 096 addresses (/20 prefix))
  • 175.110.112.0/20 (4 096 addresses (/20 prefix))
  • 178.132.0.0/21 (2 048 addresses (/21 prefix))
  • 93.190.136.0/21 (2 048 addresses (/21 prefix))
  • 185.183.32.0/22 (1 024 addresses (/22 prefix))
  • 185.177.124.0/22 (1 024 addresses (/22 prefix))
  • 178.218.196.0/22 (1 024 addresses (/22 prefix))
  • 194.88.104.0/22 (1 024 addresses (/22 prefix))
  • 185.2.80.0/22 (1 024 addresses (/22 prefix))
  • 185.4.112.0/22 (1 024 addresses (/22 prefix))
  • 45.150.156.0/22 (1 024 addresses (/22 prefix))
  • 62.112.8.0/22 (1 024 addresses (/22 prefix))
  • 185.191.0.0/22 (1 024 addresses (/22 prefix))
  • 80.79.4.0/22 (1 024 addresses (/22 prefix))
  • 185.185.48.0/22 (1 024 addresses (/22 prefix))
  • 185.184.192.0/22 (1 024 addresses (/22 prefix))
  • 45.82.64.0/22 (1 024 addresses (/22 prefix))
  • 185.182.192.0/22 (1 024 addresses (/22 prefix))
  • 185.180.220.0/22 (1 024 addresses (/22 prefix))
  • 89.38.96.0/22 (1 024 addresses (/22 prefix))
  • 89.39.104.0/22 (1 024 addresses (/22 prefix))
  • 185.21.60.0/22 (1 024 addresses (/22 prefix))
  • 185.173.160.0/22 (1 024 addresses (/22 prefix))
  • 185.172.88.0/22 (1 024 addresses (/22 prefix))
  • 2.59.168.0/22 (1 024 addresses (/22 prefix))
  • 185.165.240.0/22 (1 024 addresses (/22 prefix))
  • 185.132.176.0/22 (1 024 addresses (/22 prefix))
  • 185.132.132.0/22 (1 024 addresses (/22 prefix))
  • 45.14.132.0/22 (1 024 addresses (/22 prefix))
  • 185.105.192.0/22 (1 024 addresses (/22 prefix))
  • 185.100.232.0/22 (1 024 addresses (/22 prefix))
  • 195.191.112.0/23 (512 addresses (/23 prefix))
  • 212.8.242.0/23 (512 addresses (/23 prefix))
  • 212.8.248.0/23 (512 addresses (/23 prefix))
  • 193.9.30.0/23 (512 addresses (/23 prefix))
  • 195.128.184.0/23 (512 addresses (/23 prefix))
  • 212.8.252.0/23 (512 addresses (/23 prefix))
  • 91.226.31.0/24 (256 addresses (/24 prefix))
  • 82.39.154.0/24 (256 addresses (/24 prefix))
  • 149.57.18.0/24 (256 addresses (/24 prefix))
  • 149.57.26.0/24 (256 addresses (/24 prefix))
  • 149.57.36.0/24 (256 addresses (/24 prefix))
  • 149.57.38.0/24 (256 addresses (/24 prefix))
  • 149.57.152.0/24 (256 addresses (/24 prefix))
  • 149.57.195.0/24 (256 addresses (/24 prefix))
  • 149.57.229.0/24 (256 addresses (/24 prefix))
  • 154.193.129.0/24 (256 addresses (/24 prefix))
  • 163.5.214.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (17 total)

  • 2a06:3880::/29
  • 2a0f:9a80::/29
  • 2a00:7c80::/30
  • 2a09:9446::/32
  • 2a06:d641::/32
  • 2a09:e01::/32
  • 2a0b:2d82::/32
  • 2a0d:2d80::/32
  • 2a0f:8442::/32
  • 2a12:e341::/32
  • 2a03:69c0:100::/40
  • 2a02:20b3:100::/40
  • 2a0e:fd45:2f50::/48
  • 2a13:9500:ac::/48