Cisco Webex LLC
Cluster stats
Netblocks235
All fragments 3,002 blocks across 184 clusters
Cluster ID191593173
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
235 0 netblocks since 2026-07-05
2026-07-05 peak 235 2026-07-06

IP Ranges (235)

showing 50 of 235 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
8.38.216.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
8.244.137.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
8.245.11.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.0.0/18 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.0.0/16 Cisco Webex LLC ARIN ● high
23.89.0.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.16.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.32.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.33.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.44.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.48.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.64.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.64.0/18 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.80.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.96.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.112.0/21 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.120.0/21 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.128.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.144.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.154.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.160.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.176.0/21 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.184.0/21 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.192.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
23.89.208.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
62.109.192.0/18 Cisco Webex LLC BGP ANNOUNCED ● high
62.109.250.0/23 Cisco Webex LLC BGP ANNOUNCED ● high
62.109.250.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
62.109.251.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
62.109.252.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
62.109.254.0/23 Cisco Webex LLC BGP ANNOUNCED ● high
62.109.254.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
62.109.255.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
64.68.96.0/19 Cisco Webex LLC BGP ANNOUNCED ● high
64.68.104.0/21 Cisco Webex LLC BGP ANNOUNCED ● high
64.68.120.0/21 Cisco Webex LLC BGP ANNOUNCED ● high
66.114.160.0/20 Cisco Webex LLC ARIN ● high
66.163.32.0/19 Cisco Webex LLC BGP ANNOUNCED ● high
66.163.52.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
66.163.53.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
66.163.56.0/22 Cisco Webex LLC BGP ANNOUNCED ● high
69.26.160.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
69.26.160.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
69.26.160.0/19 Cisco Webex LLC ARIN ● high
69.26.176.0/20 Cisco Webex LLC BGP ANNOUNCED ● high
69.26.176.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
74.112.24.0/21 Cisco Webex LLC ARIN ● high
74.112.25.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
74.112.27.0/24 Cisco Webex LLC BGP ANNOUNCED ● high
74.112.29.0/24 Cisco Webex LLC BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: B how networks compare →
81.7% of checked blocks have valid RPKI ROA coverage (192 of 235)
Possible discrepancies (2)

These blocks are registered to Cisco Webex LLC 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.

144.196.0.0/16 /16 authorized for AS198949 — Radware Ltd
66.163.32.0/19 /19 authorized for AS198949 — Radware Ltd

NIC Handles

AS13445 AS26152 AS399937 DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT EQUINIX-MNT NO86-ARIN NO86-ARIN NO86-ARIN NO86-ARIN WEBEX-NDE-MNT +1 more