Cat Networks K.K.
Cluster stats
Netblocks37
All fragments 199 blocks across 75 clusters
Cluster ID193375865
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 27 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (37)

⬇ export CSV
CIDR Org name Registry Status Confidence
218.100.9.48/32 Cat Networks K.K. PEERINGDB ASSIGNED ● high
2001:de8:c:2:0:2:3748:1/128 Cat Networks K.K. PEERINGDB ASSIGNED ● high
2602:fed2:7010::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2602:feda:ae2::/47 Cat Networks K.K. BGP ANNOUNCED ● high
2602:feda:ae3::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2602:feda:aee::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2602:feda:aef::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a06:e881:4801::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a06:e881:480f::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a0a:6040:4e04::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a0a:6040:4e11::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a0b:2542:150::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a0b:2542:180::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a0b:2542:182::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a0b:2542:1ee::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a0b:2542:1ff::/48 Cat Networks K.K. BGP ANNOUNCED ● high
2a10:2f01:3dc::/48 Cat Networks K.K. BGP ANNOUNCED ● high
61.19.64.0/22 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
85.93.123.132/30 CAT-CUT RIPE ASSIGNED PA ● low
103.19.0.0/22 Cat Networks K.K. APNIC ALLOCATED PORTABLE ● low
103.88.44.0/22 Cat Networks K.K. APNIC ALLOCATED PORTABLE ● low
103.193.128.0/22 Cat Networks K.K. APNIC ALLOCATED PORTABLE ● low
122.155.32.0/21 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
122.155.40.0/23 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
122.155.42.0/23 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
122.155.44.0/23 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
122.155.46.0/23 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
122.155.50.0/23 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
122.155.52.0/23 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
122.155.54.0/24 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
122.155.56.0/21 CAT-my APNIC ALLOCATED NON-PORTABLE ● low
202.47.226.0/24 CAT-IPV6 APNIC ALLOCATED NON-PORTABLE ● low
203.96.236.0/22 Cat Networks K.K. APNIC ALLOCATED PORTABLE ● low
212.112.111.128/26 CAT-KG RIPE ASSIGNED PA ● low
213.157.48.40/30 Cat_Kaz RIPE ASSIGNED PA ● low
2400:ddc0::/32 Cat Networks K.K. APNIC ALLOCATED PORTABLE ● low
2a00:2381:d785::/48 CAT-AND RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
62.2% of checked blocks have valid RPKI ROA coverage (23 of 37)
Possible discrepancies (10)

These blocks are registered to Cat Networks K.K. but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2400:ddc0::/32 /32 authorized for AS4785 — xTom Limited
2a00:2381:d785::/48 /48 authorized for AS2856 — British Telecommunications PLC
103.88.44.0/22 /22 authorized for AS4785 — xTom Limited
203.96.236.0/22 /22 authorized for AS3258 — xTom Japan Corporation
103.193.128.0/22 /22 authorized for AS3258 — xTom Japan Corporation
103.19.0.0/22 /22 authorized for AS3258 — xTom Japan Corporation
122.155.40.0/23 /23 authorized for AS9931 — National Telecom Public Company Limited
122.155.42.0/23 /23 authorized for AS9931 — National Telecom Public Company Limited
122.155.54.0/24 /24 authorized for AS9931 — National Telecom Public Company Limited
202.47.226.0/24 /24 authorized for AS9931 — National Telecom Public Company Limited

NIC Handles

AC1582-AP AC1657-AP AN3307-AP APNIC-HM AS12764-MNT AS134666 AS138181 AS23748 ASTEL-MNT ATR-MNT BTNET-MNT CNKA1-AP +15 more