KELLOGG_BROWN

Data as of 2026-08-09
BGP inherited
Cluster stats
Netblocks13 · 536 IPv4 addresses
IPv6 6 prefixes (largest 2a00:2381:c17b::/48)
Registered in Netherlands (6) · United Kingdom (1)
All fragments 30 blocks across 5 clusters
Cluster ID218355299
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

4 weekly snapshots · JSON
13 0 netblocks since 2026-07-13
2026-07-13 peak 13 2026-08-09

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
81.134.244.0/29 KELLOGG-BROWN RIPE ASSIGNED PA ● low
109.237.16.240/30 KELLOGG_BROWN RIPE ASSIGNED PA ● low
109.237.17.8/30 KELLOGG_BROWN RIPE ASSIGNED PA ● low
109.237.17.12/30 KELLOGG_BROWN RIPE ASSIGNED PA ● low
109.237.17.144/30 KELLOGG_BROWN RIPE ASSIGNED PA ● low
109.237.19.0/24 KELLOGG_BROWN RIPE ASSIGNED PA ● low
109.237.22.0/24 KELLOGG_BROWN RIPE ASSIGNED PA ● low
2001:4d78:204:64::/64 KELLOGG_BROWN RIPE ASSIGNED ● low
2001:4d78:204:66::/64 KELLOGG_BROWN RIPE ASSIGNED ● low
2001:4d78:204:77::/64 KELLOGG_BROWN RIPE ASSIGNED ● low
2001:4d78:204:78::/64 KELLOGG_BROWN RIPE ASSIGNED ● low
2a00:2381:c17b::/48 KELLOGG-BROWN RIPE AGGREGATED-BY-LIR ● low
2a00:2381:f08a:bf00::/56 KELLOGG-BROWN RIPE ASSIGNED ● low

IPv6 ranges (6)

CIDR
2a00:2381:c17b::/48
2a00:2381:f08a:bf00::/56
2001:4d78:204:64::/64
2001:4d78:204:66::/64
2001:4d78:204:77::/64
2001:4d78:204:78::/64

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (13 of 13)
Possible discrepancies (2)

These blocks are registered to KELLOGG_BROWN but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:c17b::/48 /48 authorized for AS2856 — British Telecommunications Limited
2a00:2381:f08a:bf00::/56 /56 authorized for AS2856 — British Telecommunications Limited

NIC Handles

BTNET-MNT DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT