$ query “AS36351” --type=asn → 1 result(s)

AS36351 · SOFTLAYER

SoftLayer Technologies Inc.

AS36351 is owned by SoftLayer Technologies Inc. and is a mid-size transit provider, based in the United States since 2014. The system announces an impressive 3.6 million IPv4 addresses, including a /14, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Australia and the Netherlands, and smaller footprints in 9 additional countries.

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

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 11, 2014
Last Changed
May 10, 2026
Last Seen
June 15, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
338 / 180
IPv6 Prefixes (raw / aggregated)
72 / 36
IPv4 Addresses
3 624 448
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (2 797 824 IPs), 🇦🇺 Australia (1 164 800 IPs), 🇳🇱 Netherlands (235 776 IPs) and 9 more
Prefix Changed
May 21, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 3 624 448 total (0.00%)

Connectivity Summary

Upstream Providers
16 upstreams providing transit
Peers
530 networks exchanging traffic without transit
Downstream Customers
13 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
565 unique BGP neighbors
Reach
13 networks in customer cone

Upstream Providers (16)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS7018 — ATT-INTERNET4 (Tier-1 transit)
  • AS13335 — CLOUDFLARENET-AS
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS9498 — BBIL-AP
  • AS32787 — PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK
  • AS4755 — TATACOMM-AS
  • AS3491 — PCCWG-AS (Tier-1 transit)
  • and 6 more

Prefix Lists

IPv4 Prefixes (338 total)

  • 169.60.0.0/14 (262 144 addresses (/14 prefix))
  • 174.120.0.0/14 (262 144 addresses (/14 prefix))
  • 150.238.0.0/15 (131 072 addresses (/15 prefix))
  • 158.176.0.0/15 (131 072 addresses (/15 prefix))
  • 52.116.0.0/15 (131 072 addresses (/15 prefix))
  • 169.46.0.0/15 (131 072 addresses (/15 prefix))
  • 169.59.0.0/16 (65 536 addresses (/16 prefix))
  • 161.156.0.0/16 (65 536 addresses (/16 prefix))
  • 149.81.0.0/16 (65 536 addresses (/16 prefix))
  • 119.81.0.0/16 (65 536 addresses (/16 prefix))
  • 75.126.0.0/16 (65 536 addresses (/16 prefix))
  • 169.55.0.0/16 (65 536 addresses (/16 prefix))
  • 169.50.0.0/16 (65 536 addresses (/16 prefix))
  • 74.86.0.0/16 (65 536 addresses (/16 prefix))
  • 150.240.0.0/16 (65 536 addresses (/16 prefix))
  • 67.228.0.0/16 (65 536 addresses (/16 prefix))
  • 174.133.0.0/16 (65 536 addresses (/16 prefix))
  • 52.118.0.0/16 (65 536 addresses (/16 prefix))
  • 169.44.0.0/16 (65 536 addresses (/16 prefix))
  • 67.15.0.0/16 (65 536 addresses (/16 prefix))
  • 174.37.0.0/17 (32 768 addresses (/17 prefix))
  • 207.44.128.0/17 (32 768 addresses (/17 prefix))
  • 161.202.128.0/17 (32 768 addresses (/17 prefix))
  • 168.1.0.0/17 (32 768 addresses (/17 prefix))
  • 67.18.0.0/17 (32 768 addresses (/17 prefix))
  • 159.122.128.0/17 (32 768 addresses (/17 prefix))
  • 159.8.128.0/17 (32 768 addresses (/17 prefix))
  • 66.98.128.0/17 (32 768 addresses (/17 prefix))
  • 169.45.128.0/17 (32 768 addresses (/17 prefix))
  • 173.192.0.0/17 (32 768 addresses (/17 prefix))
  • 209.85.0.0/17 (32 768 addresses (/17 prefix))
  • 169.48.128.0/17 (32 768 addresses (/17 prefix))
  • 169.57.128.0/17 (32 768 addresses (/17 prefix))
  • 174.36.0.0/17 (32 768 addresses (/17 prefix))
  • 144.69.0.0/17 (32 768 addresses (/17 prefix))
  • 128.168.0.0/17 (32 768 addresses (/17 prefix))
  • 173.193.0.0/18 (16 384 addresses (/18 prefix))
  • 13.122.64.0/18 (16 384 addresses (/18 prefix))
  • 208.101.0.0/18 (16 384 addresses (/18 prefix))
  • 208.43.128.0/18 (16 384 addresses (/18 prefix))
  • 208.43.0.0/18 (16 384 addresses (/18 prefix))
  • 207.218.192.0/18 (16 384 addresses (/18 prefix))
  • 13.116.64.0/18 (16 384 addresses (/18 prefix))
  • 192.255.0.0/18 (16 384 addresses (/18 prefix))
  • 108.168.128.0/18 (16 384 addresses (/18 prefix))
  • 13.120.64.0/18 (16 384 addresses (/18 prefix))
  • 13.121.64.0/18 (16 384 addresses (/18 prefix))
  • 174.37.128.0/18 (16 384 addresses (/18 prefix))
  • 174.36.128.0/18 (16 384 addresses (/18 prefix))
  • 128.168.128.0/18 (16 384 addresses (/18 prefix))

IPv6 Prefixes (72 total)

  • 2607:f0d0::/32
  • 2403:1480:1000::/36
  • 2403:a280:8000::/36
  • 2a03:8180:1800::/39
  • 2401:c900:1400::/39
  • 2401:c900:2000::/39
  • 2a03:8180:1200::/39
  • 2401:c900:2800::/39
  • 2a03:8180:1c00::/39
  • 2401:c900:2e00::/39
  • 2a03:8180:2000::/39
  • 2a03:8180:2800::/39
  • 2401:c900:1000::/39
  • 2401:c900:2d00::/40
  • 2401:c900:1800::/40
  • 2a03:8180:2700::/40
  • 2a03:8180:2200::/40
  • 2401:c900:3000::/40
  • 2a03:8180:1f00::/40
  • 2401:c900:1f00::/40
  • 2a03:8180:1100::/40
  • 2a03:8180:1400::/40
  • 2401:c900:2700::/40
  • 2402:b180:1::/48
  • 2803:2f40:ffff::/48
  • 2620:11b:3002::/48
  • 2602:ff84:11::/48
  • 2001:df5:9000::/48
  • 2602:ff84:12::/48
  • 2602:ff84:c::/48
  • 2602:ff84:1::/48
  • 2602:ff1c:1::/48
  • 2403:ad80:20::/48
  • 2402:2f80::/48
  • 2a04:f400:3000::/48
  • 2a05:dfc7:30::/48