University of North Carolina at Chapel Hill

Data as of 2026-09-27
BGP inherited
This organisation
Netblocks15 · 204,288 IPv4 addresses
IPv6 6 prefixes (largest 2606:f640::/32)
Also registered under this name 34 netblocks across 5 separate records
Record ID245474139
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 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (15)

⬇ export CSV
CIDR Org name Registry Status Confidence
23.134.232.0/22 University of North Carolina at Chapel Hill ARIN DIRECT ALLOCATION ● high
152.2.0.0/16 University of North Carolina at Chapel Hill ARIN DIRECT ALLOCATION ● high
152.19.0.0/16 University of North Carolina at Chapel Hill BGP ANNOUNCED ● high
152.23.0.0/16 University of North Carolina at Chapel Hill ARIN DIRECT ALLOCATION ● high
198.85.230.0/23 University of North Carolina at Chapel Hill BGP ANNOUNCED ● high
204.84.8.0/22 University of North Carolina at Chapel Hill ARIN ASSIGNMENT ● high
204.84.252.0/22 University of North Carolina at Chapel Hill ARIN ASSIGNMENT ● high
204.85.176.0/20 University of North Carolina at Chapel Hill BGP ANNOUNCED ● high
204.85.191.0/24 University of North Carolina at Chapel Hill BGP ANNOUNCED ● high
2001:400:a100::/48 University of North Carolina at Chapel Hill ARIN ASSIGNMENT ● high
2600:2701:4000::/44 University of North Carolina at Chapel Hill ARIN ASSIGNMENT ● high
2600:2701:4000::/45 University of North Carolina at Chapel Hill BGP ANNOUNCED ● high
2602:fcfb::/36 University of North Carolina at Chapel Hill ARIN DIRECT ALLOCATION ● high
2606:f640::/32 University of North Carolina at Chapel Hill BGP ANNOUNCED ● high
2610:28:3090::/48 University of North Carolina at Chapel Hill BGP ANNOUNCED ● high

IPv6 ranges (6)

CIDR
2606:f640::/32
2602:fcfb::/36
2600:2701:4000::/44
2600:2701:4000::/45
2001:400:a100::/48
2610:28:3090::/48

Footprint over time

14 weekly snapshots · JSON
25 +12 netblocks since 2026-07-05
2026-07-05 peak 25 2026-09-27

Other domains hosted in this network

what's this?
fedoraproject.org gutenberg.org ibiblio.org centos.org digitalnc.org unc.edu gilead.org.il timelesstruths.org tldp.org fedorahosted.org floraquest.org

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (25 of 25)
Possible discrepancies (1)

These blocks are registered to University of North Carolina at Chapel Hill 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.

2600:2701:4000::/44 /44 authorized for AS81 — MCNC
Routed via provider/NREN (1)

These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.

2001:400:a100::/48 /48 routed via AS293 — ESnet (ESnet)

NIC Handles

AS36850 AS398900 ISG10-ARIN SHUED1-ARIN TURNE696-ARIN UNC-1 UNC-1-Z ZU52-ARIN