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

AS36351 — SOFTLAYER

IBM Cloud

AS36351 is a mid-size transit provider operated by IBM Cloud, registered in the United States since 2005. The network announces an impressive 3.6 million IPv4 addresses, including a /14. Supports IPv6.

  • 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
December 12, 2005
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
336 / 181
IPv6 Prefixes (raw / aggregated)
72 / 36
IPv4 Addresses
3 623 936
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 US (116 IPs), 🇦🇺 AU (42 IPs), 🇳🇱 NL (15 IPs), 🇩🇪 DE, 🇫🇷 FR, 🇮🇳 IN, 🇸🇬 SG, 🇮🇹 IT, 🇩🇰 DK, 🇬🇧 GB, 🇹🇷 TR, 🇷🇴 RO, 🇭🇰 HK
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 4 flagged IPs out of 3 623 936 total (0.00%)

Connectivity Summary

Upstream Providers
17 upstream autonomous systems providing transit
Peers
519 autonomous systems exchanging traffic without transit fees
Downstream Customers
11 downstream autonomous systems buying transit
Degree
553 unique BGP neighbors (providers + customers + peers)
Reach
11 — customer cone size measuring network influence
Degree Rank
#253
Reach Rank
#3 020

Upstream Providers (17)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS7018 — ATT-INTERNET4 (Tier-1 transit)
  • AS13335 — CLOUDFLARENET
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS9498 — BBIL-AP
  • AS32787 — PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK
  • AS4755 — TATACOMM-AS
  • AS3491 — CONSOLE-CONNECT-ASN (Tier-1 transit)
  • and 7 more

Prefix Lists

IPv4 Prefixes (336 total)

  • 169.60.0.0/14 (262 144 addresses)
  • 174.120.0.0/14 (262 144 addresses)
  • 52.116.0.0/15 (131 072 addresses)
  • 150.238.0.0/15 (131 072 addresses)
  • 158.176.0.0/15 (131 072 addresses)
  • 169.46.0.0/15 (131 072 addresses)
  • 52.118.0.0/16 (65 536 addresses)
  • 67.15.0.0/16 (65 536 addresses)
  • 67.228.0.0/16 (65 536 addresses)
  • 74.86.0.0/16 (65 536 addresses)
  • 75.126.0.0/16 (65 536 addresses)
  • 119.81.0.0/16 (65 536 addresses)
  • 149.81.0.0/16 (65 536 addresses)
  • 150.240.0.0/16 (65 536 addresses)
  • 161.156.0.0/16 (65 536 addresses)
  • 169.44.0.0/16 (65 536 addresses)
  • 169.50.0.0/16 (65 536 addresses)
  • 169.55.0.0/16 (65 536 addresses)
  • 169.59.0.0/16 (65 536 addresses)
  • 174.133.0.0/16 (65 536 addresses)
  • 66.98.128.0/17 (32 768 addresses)
  • 67.18.0.0/17 (32 768 addresses)
  • 128.168.0.0/17 (32 768 addresses)
  • 144.69.0.0/17 (32 768 addresses)
  • 159.8.128.0/17 (32 768 addresses)
  • 159.122.128.0/17 (32 768 addresses)
  • 161.202.128.0/17 (32 768 addresses)
  • 168.1.0.0/17 (32 768 addresses)
  • 169.45.128.0/17 (32 768 addresses)
  • 169.48.128.0/17 (32 768 addresses)
  • 169.57.128.0/17 (32 768 addresses)
  • 173.192.0.0/17 (32 768 addresses)
  • 174.36.0.0/17 (32 768 addresses)
  • 174.37.0.0/17 (32 768 addresses)
  • 207.44.128.0/17 (32 768 addresses)
  • 209.85.0.0/17 (32 768 addresses)
  • 13.116.64.0/18 (16 384 addresses)
  • 13.120.64.0/18 (16 384 addresses)
  • 13.121.64.0/18 (16 384 addresses)
  • 13.122.64.0/18 (16 384 addresses)
  • 50.22.128.0/18 (16 384 addresses)
  • 67.18.128.0/18 (16 384 addresses)
  • 108.168.128.0/18 (16 384 addresses)
  • 128.168.128.0/18 (16 384 addresses)
  • 130.198.64.0/18 (16 384 addresses)
  • 135.90.64.0/18 (16 384 addresses)
  • 135.90.128.0/18 (16 384 addresses)
  • 141.125.64.0/18 (16 384 addresses)
  • 141.125.128.0/18 (16 384 addresses)
  • 150.112.64.0/18 (16 384 addresses)

IPv6 Prefixes (72 total)

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