AS18678

Data as of 2026-08-23
Handle
Cluster stats
Netblocks454 · 135,424 IPv4 addresses
IPv6 126 prefixes (largest 2800:310::/32)
Registered in CO (274) · PE (49) · United States (5)
Cluster ID226910561
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution RIR handle
Shared handles clustered on 3 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
454 +7 netblocks since 2026-07-13
2026-07-13 peak 1,552 2026-08-23

IP Ranges (454)

showing 50 of 454 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
38.51.248.0/24 AS18678 BGP ANNOUNCED ● low
38.51.248.0/22 AS18678 BGP ANNOUNCED ● low
38.51.249.0/24 AS18678 BGP ANNOUNCED ● low
38.51.250.0/24 AS18678 BGP ANNOUNCED ● low
38.51.251.0/24 AS18678 BGP ANNOUNCED ● low
45.162.76.0/22 AS18678 BGP ANNOUNCED ● low
152.231.26.0/24 AS18678 BGP ANNOUNCED ● low
170.238.236.0/22 AS18678 BGP ANNOUNCED ● low
170.238.238.0/24 AS18678 BGP ANNOUNCED ● low
170.238.239.0/24 AS18678 BGP ANNOUNCED ● low
179.1.0.0/21 AS18678 BGP ANNOUNCED ● low
179.1.0.0/24 AS18678 BGP ANNOUNCED ● low
179.1.1.0/24 AS18678 BGP ANNOUNCED ● low
179.1.4.0/24 AS18678 BGP ANNOUNCED ● low
179.1.5.0/24 AS18678 BGP ANNOUNCED ● low
179.1.6.0/24 AS18678 BGP ANNOUNCED ● low
179.1.7.0/24 AS18678 BGP ANNOUNCED ● low
179.1.8.0/21 AS18678 BGP ANNOUNCED ● low
179.1.9.0/24 AS18678 BGP ANNOUNCED ● low
179.1.10.0/24 AS18678 BGP ANNOUNCED ● low
179.1.11.0/24 AS18678 BGP ANNOUNCED ● low
179.1.12.0/24 AS18678 BGP ANNOUNCED ● low
179.1.13.0/24 AS18678 BGP ANNOUNCED ● low
179.1.14.0/24 AS18678 BGP ANNOUNCED ● low
179.1.16.0/20 AS18678 BGP ANNOUNCED ● low
179.1.16.0/24 AS18678 BGP ANNOUNCED ● low
179.1.20.0/22 AS18678 BGP ANNOUNCED ● low
179.1.20.0/24 AS18678 BGP ANNOUNCED ● low
179.1.24.0/22 AS18678 BGP ANNOUNCED ● low
179.1.24.0/24 AS18678 BGP ANNOUNCED ● low
179.1.32.0/20 AS18678 BGP ANNOUNCED ● low
179.1.33.0/24 AS18678 BGP ANNOUNCED ● low
179.1.48.0/20 AS18678 BGP ANNOUNCED ● low
179.1.48.0/24 AS18678 BGP ANNOUNCED ● low
179.1.64.0/24 AS18678 BGP ANNOUNCED ● low
179.1.64.0/20 AS18678 BGP ANNOUNCED ● low
179.1.65.0/24 AS18678 BGP ANNOUNCED ● low
179.1.66.0/24 AS18678 BGP ANNOUNCED ● low
179.1.67.0/24 AS18678 BGP ANNOUNCED ● low
179.1.68.0/24 AS18678 BGP ANNOUNCED ● low
179.1.69.0/24 AS18678 BGP ANNOUNCED ● low
179.1.70.0/24 AS18678 BGP ANNOUNCED ● low
179.1.73.0/24 AS18678 BGP ANNOUNCED ● low
179.1.74.0/24 AS18678 BGP ANNOUNCED ● low
179.1.75.0/24 AS18678 BGP ANNOUNCED ● low
179.1.76.0/24 AS18678 BGP ANNOUNCED ● low
179.1.77.0/24 AS18678 BGP ANNOUNCED ● low
179.1.78.0/24 AS18678 BGP ANNOUNCED ● low
179.1.79.0/24 AS18678 BGP ANNOUNCED ● low
179.1.80.0/20 AS18678 BGP ANNOUNCED ● low

IPv6 ranges (126)

showing the 15 largest allocations

Network trust

what's this?
RPKI hygiene: A how networks compare →
98.5% of checked blocks have valid RPKI ROA coverage (447 of 454)
Possible discrepancies (11)

These blocks are registered to AS18678 but cryptographically authorized for a different, unrelated network (5 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2800:650::/32 /32 authorized for AS28032 — AS28032
2800:310:1800::/48 /48 authorized for AS269895 — AS269895
2800:650:10a::/48 /48 authorized for AS262589 — AS262589
2800:650:114::/48 /48 authorized for AS262589 — AS262589
2800:650:104::/48 /48 authorized for AS262589 — AS262589
45.162.76.0/22 /22 authorized for AS19429 — AS19429
190.90.38.0/24 /24 authorized for AS269986 — AS269986
190.90.82.0/24 /24 authorized for AS262589 — AS262589
190.90.213.0/24 /24 authorized for AS262589 — AS262589
190.90.218.0/24 /24 authorized for AS262589 — AS262589
191.97.53.0/24 /24 authorized for AS262589 — AS262589

NIC Handles

AS18678 AS262589 AS28032