$ query “AS20473” --type=asn → 1 result(s)

AS20473 — AS-VULTR

The Constant Company LLC

AS20473 is a major transit provider operated by The Constant Company LLC, based in the United States since 2001. The network announces an impressive 1.4 million IPv4 addresses, including a /15. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #78 by Degree — Top 100 by unique BGP neighbor count

Basic Information

Country
🇺🇸 United States
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
May 11, 2001
Last Changed
March 04, 2026
Last Seen
March 04, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
1 550 / 526
IPv6 Prefixes (raw / aggregated)
343 / 296
IPv4 Addresses
1 389 568
Largest IPv4 Prefix
/15 (131 072 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇺🇸 US (337 IPs), 🇯🇵 JP (72 IPs), 🇬🇧 GB (153 IPs), 🇸🇬 SG, 🇳🇱 NL, 🇨🇦 CA, 🇩🇪 DE, 🇫🇷 FR, 🇿🇿 ZZ, 🇮🇳 IN, 🇲🇽 MX, 🇦🇺 AU, 🇮🇱 IL, 🇹🇼 TW and 19 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 126 flagged IPs out of 1 389 568 total (0.01%)
Tor Exit Nodes
3 known Tor exit nodes in this network
Open Proxies
3 known open proxies in this network

Connectivity Summary

Upstream Providers
22 upstream autonomous systems providing transit
Peers
543 autonomous systems exchanging traffic without transit fees
Downstream Customers
608 downstream autonomous systems buying transit
Degree
1 692 unique BGP neighbors (providers + customers + peers)
Reach
31 707 — customer cone size measuring network influence
Degree Rank
#78
Reach Rank
#374

Upstream Providers (22)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS7195 — EDGEUNO
  • AS13335 — CLOUDFLARENET
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS15830 — EQUINIX
  • AS9498 — BBIL-AP
  • AS4755 — TATACOMM-AS
  • and 12 more

Prefix Lists

IPv4 Prefixes (1 550 total)

  • 45.76.0.0/15 (131 072 addresses)
  • 44.33.0.0/16 (65 536 addresses)
  • 45.32.0.0/16 (65 536 addresses)
  • 64.176.0.0/17 (32 768 addresses)
  • 95.179.128.0/17 (32 768 addresses)
  • 108.61.128.0/17 (32 768 addresses)
  • 139.84.128.0/17 (32 768 addresses)
  • 144.202.0.0/17 (32 768 addresses)
  • 149.28.128.0/17 (32 768 addresses)
  • 152.39.128.0/17 (32 768 addresses)
  • 155.138.128.0/17 (32 768 addresses)
  • 45.63.64.0/18 (16 384 addresses)
  • 64.176.192.0/18 (16 384 addresses)
  • 65.20.64.0/18 (16 384 addresses)
  • 66.42.64.0/18 (16 384 addresses)
  • 78.141.192.0/18 (16 384 addresses)
  • 104.238.128.0/18 (16 384 addresses)
  • 108.61.0.0/18 (16 384 addresses)
  • 136.244.64.0/18 (16 384 addresses)
  • 139.180.128.0/18 (16 384 addresses)
  • 140.82.0.0/18 (16 384 addresses)
  • 149.28.64.0/18 (16 384 addresses)
  • 149.248.0.0/18 (16 384 addresses)
  • 158.247.192.0/18 (16 384 addresses)
  • 167.179.64.0/18 (16 384 addresses)
  • 192.248.128.0/18 (16 384 addresses)
  • 207.148.64.0/18 (16 384 addresses)
  • 207.246.64.0/18 (16 384 addresses)
  • 216.238.64.0/18 (16 384 addresses)
  • 45.63.0.0/19 (8 192 addresses)
  • 64.176.160.0/19 (8 192 addresses)
  • 64.237.32.0/19 (8 192 addresses)
  • 66.42.32.0/19 (8 192 addresses)
  • 66.55.128.0/19 (8 192 addresses)
  • 66.135.0.0/19 (8 192 addresses)
  • 70.34.192.0/19 (8 192 addresses)
  • 96.30.192.0/19 (8 192 addresses)
  • 104.156.224.0/19 (8 192 addresses)
  • 104.207.128.0/19 (8 192 addresses)
  • 107.191.32.0/19 (8 192 addresses)
  • 108.61.64.0/19 (8 192 addresses)
  • 134.199.64.0/19 (8 192 addresses)
  • 136.227.160.0/19 (8 192 addresses)
  • 136.242.96.0/19 (8 192 addresses)
  • 137.220.32.0/19 (8 192 addresses)
  • 139.180.192.0/19 (8 192 addresses)
  • 141.164.32.0/19 (8 192 addresses)
  • 149.28.32.0/19 (8 192 addresses)
  • 162.43.224.0/19 (8 192 addresses)
  • 198.13.32.0/19 (8 192 addresses)

IPv6 Prefixes (343 total)

  • 2a0b:71c0::/29
  • 2a0f:13c0::/29
  • 2a0b:64c4::/31
  • 2607:7180::/32
  • 2a03:4a81::/32
  • 2a03:60c0::/32
  • 2a04:30c0::/32
  • 2a04:a142::/32
  • 2a04:a147::/32
  • 2a05:2d07::/32
  • 2a06:1287::/32
  • 2a06:25c0::/32
  • 2a06:3e87::/32
  • 2a06:4c00::/32
  • 2a07:5580::/32
  • 2a07:a341::/32
  • 2a09:17c2::/32
  • 2a0e:9d40::/32
  • 2a0f:f42::/32
  • 2602:f93b:4000::/34
  • 2602:f93b:8000::/34
  • 2001:19f0:5000::/36
  • 2001:19f0:6000::/36
  • 2001:19f0:9000::/36
  • 2401:c080:1000::/36
  • 2602:f6ac::/36
  • 2a05:f480:1000::/36
  • 2a05:f480:2000::/36
  • 2a14:7584:9000::/36
  • 2001:19f0:1000::/37
  • 2001:19f0:4000::/37
  • 2001:19f0:7000::/37
  • 2001:19f0:a800::/37
  • 2001:19f0:b000::/37
  • 2401:c080:2000::/37
  • 2401:c080:3000::/37
  • 2a05:f480:3000::/37
  • 2001:19f0::/38
  • 2001:19f0:8000::/38
  • 2001:19f0:8800::/38
  • 2001:19f0:b800::/38
  • 2001:19f0:c000::/38
  • 2001:19f0:c800::/38
  • 2401:c080:3800::/38
  • 2a05:f480:3800::/38
  • 2602:f4fb:f00::/40
  • 2602:f93b:300::/40
  • 2a14:7583:e500::/40
  • 2602:80b:7000::/44
  • 2620:53:a000::/44