Ex Libris Inc

Ex Libris (USA) Inc
Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks34 · 43,136 IPv4 addresses
IPv6 6 prefixes (largest 2620:f0:c001::/48)
Registered in United States (23) · United Kingdom (2) · Hong Kong (1) · Israel (1) · India (1)
Cluster ID214373773
RegistryBGP
Customersfind customers using 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

Footprint over time

6 weekly snapshots · JSON
34 -1 netblocks since 2026-07-05
2026-07-05 peak 35 2026-07-26

IP Ranges (34)

⬇ 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
165.215.165.0/24 Ex Libris (USA) Inc BGP ANNOUNCED ● 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
216.17.116.0/24 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
216.147.212.0/24 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: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
216.17.112.0/20 Ex Libris (USA) Inc ARIN DIRECT ALLOCATION ● low
216.147.208.0/20 Ex Libris (USA) Inc ARIN DIRECT ALLOCATION ● low

IPv6 ranges (6)

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

Domains hosted in this network

what's this?
vu.edu.au serialssolutions.com jenkinslaw.org iii.com lib.or.us nus.edu.sg midhudsonlibraries.org deerfieldlibrary.org alisweb.org deakin.edu.au rwu.edu usc.edu mi.us middletownlibrary.org milibrary.org linkin-libraries.org coolcat.org ucd.ie westlandlibrary.org keene.edu

Network trust

what's this?
RPKI hygiene: F how networks compare →
11.8% of checked blocks have valid RPKI ROA coverage (4 of 34)
No discrepancies found among checked blocks.

NIC Handles

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