AS81 NCREN - MCNC
🇺🇸ARINassigned
Announced Prefixes (BGP)
148total
144 IPv44 IPv6
IPv4 Addresses
Allocated (RIR)2.3M
Announced (BGP)2.2M
IPv6 Addresses
Allocated (RIR)6.1×10²⁶
Announced (BGP)1.3×10³⁰
Announced Prefixes
(BGP)148|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARIN | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | ARIN | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | ARIN | 2026-10-10 | |
| No ROA | ARIN | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 |
1-10 of 148
1 / 15
Allocated Prefixes
(RIR)58Prefix | Country | RIR | Status |
|---|---|---|---|
| 128.109.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 152.4.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 152.6.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 152.8.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 152.9.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 152.10.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 152.11.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 152.12.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 152.14.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 152.16.0.0/16 | 🇺🇸 US | ARIN | allocated |
1-10 of 58
1 / 6
All 148 announced prefixes of AS81 →
BGP Neighbours
(seen in AS paths)Upstreams (5)
Networks AS81 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (33)
Networks whose own prefixes AS81 passes on: usually its customers.
- AS46255Charlotte Mecklenburg Schools33
- AS19413Roanoke Connect19
- AS36850University Of North Carolina At Chapel Hill11
- AS6559State Of NC State Telecommunications Services9
- AS13371Duke University7
- AS396028Vidant Health6
- AS11442North Carolina State University5
- AS10952East Carolina University3
- AS20197Castle & Cooke North Carolina3
- AS26407Carolina Digital Phone3
- AS19161Apogee Telecom2
- AS19718MCNC2
- AS33401Central Piedmont Community College2
- AS53785University Of North Carolina At Greensboro2
- AS395465Apogee Telecom2
- AS396391Guilford College2
- AS396978Orange Water And Sewer Authority2
- AS13862North Carolina State University1
- AS18538Wake County Public School System1
- AS22862Clinton City Schools1
- AS26741CarolinaEast Medical Center1
- AS32417Elon University1
- AS32711Wake County Government1
- AS40245Wake Forest University1
- AS46963City Of Winston Salem1
- AS393824Apogee Telecom1
- AS393875University Of Mount Olive1
- AS394165City Of Greenville, NC1
- AS394407Central Carolina Community College1
- AS399050Rowan Cabarrus Community College1
- AS399407Salem Academy And College1
- AS399708North Carolina Wesleyan College1
- AS400959Town Of Cary1
Other adjacent networks (1)
Adjacent to AS81 in the transit part of AS paths: peers, providers or customers.
- AS7018AT&T Enterprises2
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS81 should publish an ASPA object
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/81Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/81" | jq