Ex Libris Inc

Ex Libris (USA) Inc
Data as of 2026-09-13
BGP inherited
This organisation
Netblocks37 · 43,648 IPv4 addresses
IPv6 7 prefixes (largest 2620:f0:c000::/44)
Registered in United States (25) · United Kingdom (2) · Hong Kong (1) · Israel (1) · India (1)
Record ID241082157
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (37)

⬇ export CSV
CIDR Org name Registry Status Confidence
31.186.254.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
64.74.237.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
66.151.7.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
74.217.12.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
95.172.90.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
117.20.42.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
165.215.0.0/17 Ex Libris (USA) Inc BGP ANNOUNCED ● high
165.215.128.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
165.215.165.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
192.80.206.0/24 Ex Libris (USA) Inc ARIN DIRECT ALLOCATION ● high
202.58.12.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.17.112.0/22 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.17.112.0/20 Ex Libris (USA) Inc ARIN DIRECT ALLOCATION ● high
216.17.116.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.17.118.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.17.119.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.17.120.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.17.121.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.17.122.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.147.208.0/23 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.147.208.0/20 Ex Libris (USA) Inc ARIN DIRECT ALLOCATION ● high
216.147.212.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.147.213.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.147.214.0/23 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.147.218.0/23 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.147.220.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.147.221.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.147.222.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
216.147.223.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● high
2620:f0:c000::/44 Ex Libris (USA) Inc ARIN DIRECT ALLOCATION ● high
2620:f0:c001::/48 Ex Libris (USA) Inc BGP ANNOUNCED ● high
2620:f0:c002::/48 Ex Libris (USA) Inc BGP ANNOUNCED ● high
2620:f0:c003::/48 Ex Libris (USA) Inc BGP ANNOUNCED ● high
2620:f0:c004::/48 Ex Libris (USA) Inc BGP ANNOUNCED ● high
2620:f0:c005::/48 Ex Libris (USA) Inc BGP ANNOUNCED ● high
2620:f0:c007::/48 Ex Libris (USA) Inc BGP ANNOUNCED ● high
212.179.71.0/25 EX-LIBRIS-LTD RIPE ASSIGNED PA ● low

IPv6 ranges (7)

CIDR
2620:f0:c000::/44
2620:f0:c001::/48
2620:f0:c002::/48
2620:f0:c003::/48
2620:f0:c004::/48
2620:f0:c005::/48
2620:f0:c007::/48

Footprint over time

12 weekly snapshots · JSON
37 +2 netblocks since 2026-07-05
2026-07-05 peak 37 2026-09-13

Other domains hosted in this network

what's this?
vu.edu.au mylibrary.us serialssolutions.com jenkinslaw.org tbpl.ca iii.com keene.edu polarislibrary.com lib.or.us nus.edu.sg midhudsonlibraries.org pa.us nesl.edu lib.co.us deerfieldlibrary.org alisweb.org deakin.edu.au canada.ca techlib.cz westlandlibrary.org

Network trust

what's this?
RPKI hygiene: F how networks compare →
10.8% of checked blocks have valid RPKI ROA coverage (4 of 37)
No discrepancies found among checked blocks.

NIC Handles

AS14148 AS8551-MNT CLVAB-ARIN CLVAD-ARIN CLVTE-ARIN DUMY-RIPE DUMY-RIPE ELU-2