- AS Info
- Graph v4
- Graph v6
- Prefixes v4
- Prefixes v6
- Bogon
- Peers v4
- Peers v6
- Whois
- IRR
- Traceroute
Company Website:
Country of Origin:
Prefixes Originated (all): 155
Prefixes Originated (v4): 151
Prefixes Originated (v6): 4
Prefixes Announced (all): 243
Prefixes Announced (v4): 231
Prefixes Announced (v6): 12
RPKI Originated Valid (all): 121
RPKI Originated Valid (v4): 119
RPKI Originated Valid (v6): 2
RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0
BGP Peers Observed (all): 45
BGP Peers Observed (v4): 45
BGP Peers Observed (v6): 12
IPs Originated (v4): 2,323,456
AS Paths Observed (v4): 2,621
AS Paths Observed (v6): 724
Average AS Path Length (all): 4.134
Average AS Path Length (v4): 4.214
Average AS Path Length (v6): 3.845
Prefixes Originated (v4): 151
Prefixes Originated (v6): 4
Prefixes Announced (all): 243
Prefixes Announced (v4): 231
Prefixes Announced (v6): 12
RPKI Originated Valid (all): 121
RPKI Originated Valid (v4): 119
RPKI Originated Valid (v6): 2
RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0
BGP Peers Observed (all): 45
BGP Peers Observed (v4): 45
BGP Peers Observed (v6): 12
IPs Originated (v4): 2,323,456
AS Paths Observed (v4): 2,621
AS Paths Observed (v6): 724
Average AS Path Length (all): 4.134
Average AS Path Length (v4): 4.214
Average AS Path Length (v6): 3.845
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AS81 IPv4 Peers
| ASN | Name |
|---|---|
| AS174 | Cogent Communications |
| AS7018 | AT&T Enterprises, LLC |
| AS3356 | Level 3 Parent, LLC |
| AS6461 | Zayo Bandwidth |
| AS11426 | Charter Communications Inc |
| AS11164 | Internet2 |
| AS11537 | Internet2 |
AS81 IPv6 Peers
| ASN | Name |
|---|---|
| AS3356 | Level 3 Parent, LLC |
| AS174 | Cogent Communications |
| AS11164 | Internet2 |
| AS7018 | AT&T Enterprises, LLC |
| AS11537 | Internet2 |
AS81 IPv4 Peer Count
AS81 IPv6 Peer Count
AS81 IPv4 Prefixes Announced
AS81 IPv6 Prefixes Announced
AS81 IPv4 Prefixes Originated
AS81 IPv6 Prefixes Originated
AS81 IPv4 Route Propagation
AS81 IPv6 Route Propagation
| Prefix | Description | Visibility |
|---|---|---|
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| Prefix | Description | Visibility |
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| Prefix | Description |
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| Bogon Prefixes | ||
|---|---|---|
| Prefix | Type | Status |
| Rank | Description | IPv6 | Peer |
|---|---|---|---|
| 1 | Cogent Communications |
X | AS174 |
| 2 | AT&T Enterprises, LLC |
X | AS7018 |
| 3 | Level 3 Parent, LLC |
X | AS3356 |
| 4 | Zayo Bandwidth |
AS6461 | |
| 5 | Charter Communications Inc |
AS11426 | |
| 6 | Internet2 |
X | AS11164 |
| 7 | Internet2 |
X | AS11537 |
| 8 | MCNC |
X | AS19718 |
| 9 | Wake County Public School System |
AS18538 | |
| 10 | Winston-Salem/Forsyth County Schools |
AS17031 | |
| 11 | Castle & Cooke North Carolina, LLC |
AS20197 | |
| 12 | University of North Carolina at Greensboro |
AS53785 | |
| 13 | Town of Cary |
AS400959 | |
| 14 | Sprint |
X | AS1239 |
| 15 | Roanoke Connect |
X | AS19413 |
| 16 | Charlotte-Mecklenburg Schools |
AS46255 | |
| 17 | Pender County Schools |
AS46794 | |
| 18 | North Carolina State University |
AS13862 | |
| 19 | Wake County Government |
AS32711 | |
| 20 | Apogee Telecom Inc. |
AS393824 | |
| 21 | East Carolina University |
X | AS10952 |
| 22 | Guilford College |
AS396391 | |
| 23 | CarolinaEast Medical Center |
AS26741 | |
| 24 | University of North Carolina at Charlotte |
AS53384 | |
| 25 | North Carolina State Education Assistance Authority |
AS396837 | |
| 26 | University of North Carolina at Chapel Hill |
X | AS36850 |
| 27 | State of NC - State Telecommunications Services |
AS6559 | |
| 28 | North Carolina Wesleyan College |
AS399708 | |
| 29 | Apogee Telecom Inc. |
AS395465 | |
| 30 | Queens University of Charlotte |
AS398580 | |
| 31 | |
AS395312 | |
| 32 | City of Greenville, NC |
AS394165 | |
| 33 | University of Mount Olive, Inc. |
AS393875 | |
| 34 | Duke University |
X | AS13371 |
| 35 | Salem Academy and College |
AS399407 | |
| 36 | Wake Forest University |
AS40245 | |
| 37 | Elon University |
AS32417 | |
| 38 | Central Piedmont Community College |
AS33401 | |
| 39 | Shaw University |
AS399565 | |
| 40 | Vidant Health |
AS396028 | |
| 41 | Rowan-Cabarrus Community College |
AS399050 | |
| 42 | North Carolina Adminstrative Office of the Courts |
AS11777 | |
| 43 | City of Winston-Salem |
AS46963 | |
| 44 | North Carolina State University |
X | AS11442 |
| 45 | Apogee Telecom Inc. |
AS19161 |
| Rank | Description | IPv4 | Peer |
|---|---|---|---|
| 1 | Level 3 Parent, LLC |
X | AS3356 |
| 2 | Cogent Communications |
X | AS174 |
| 3 | Internet2 |
X | AS11164 |
| 4 | AT&T Enterprises, LLC |
X | AS7018 |
| 5 | Internet2 |
X | AS11537 |
| 6 | Sprint |
X | AS1239 |
| 7 | North Carolina State University |
X | AS11442 |
| 8 | East Carolina University |
X | AS10952 |
| 9 | Duke University |
X | AS13371 |
| 10 | University of North Carolina at Chapel Hill |
X | AS36850 |
| 11 | MCNC |
X | AS19718 |
| 12 | Roanoke Connect |
X | AS19413 |
ASNumber: 81 ASName: NCREN ASHandle: AS81 RegDate: 1986-08-07 Updated: 2021-06-29 Ref: https://rdap.arin.net/registry/autnum/81 OrgName: MCNC OrgId: MCNC-Z Address: 3021 E. Cornwallis Rd City: Durham StateProv: NC PostalCode: 27713-2852 Country: US RegDate: 2021-06-14 Updated: 2025-02-13 Ref: https://rdap.arin.net/registry/entity/MCNC-Z OrgTechHandle: NH34-ORG-ARIN OrgTechName: NCREN Hostmaster OrgTechPhone: +1-919-248-1405 OrgTechEmail: hostmaster@ncren.net OrgTechRef: https://rdap.arin.net/registry/entity/NH34-ORG-ARIN OrgTechHandle: NCREN-ARIN OrgTechName: NCREN Hostmaster OrgTechPhone: +1-919-248-4111 OrgTechEmail: hostmaster@ncren.net OrgTechRef: https://rdap.arin.net/registry/entity/NCREN-ARIN OrgAbuseHandle: ABUSE3348-ARIN OrgAbuseName: Abuse Contact OrgAbusePhone: +1-919-248-4111 OrgAbuseEmail: abuse@mcnc.org OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3348-ARIN RTechHandle: NH34-ORG-ARIN RTechName: NCREN Hostmaster RTechPhone: +1-919-248-1405 RTechEmail: hostmaster@ncren.net RTechRef: https://rdap.arin.net/registry/entity/NH34-ORG-ARIN
ARIN
aut-num: AS81
as-name: NCREN
descr: MCNC ASN for NCREN
export: to AS-ANY announce AS-NCREN
admin-c: NH34-ORG-ARIN
tech-c: NH34-ORG-ARIN
mnt-by: MNT-MCNC-Z
source: ARIN
created: 2022-03-04T20:39:48Z
last-modified: 2025-03-19T23:02:38Z
RADB
aut-num: AS81
as-name: NCREN
descr: MCNC ASN for NCREN
admin-c: NH35-ORG-ARIN
tech-c: NH35-ORG-ARIN
mnt-by: MAINT-AS81
changed: tlavis@mcnc.org 20231219 # 1732Z
source: RADB
last-modified: 2023-12-19T17:32:34Z
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