AS-NCREN ASNs within NCREN
An as-set registered in ARIN, maintained by MNT-MCNC-Z. It names 50 ASes and 0 sets directly; followed all the way down, it reaches 50 ASes through 0 nested sets.
Members
What AS-NCREN lists
50 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.
AS81 NCRENAS2721 SCLRAS6559 NCIHAS7119 FORSYTHCOUNTYAS10952 ECU-ASAS11442 NCSUAS11777 NCAOCAS13371 DUKE-INTERCHANGEAS13862 NCSU-SNAREAS17031 WINSTON-SALEM-SCHOOLSAS18538 WCPSS-BOEAS19161 APOG-UNCC-NORTHAS19413 ROANOKE-CONNECT-ASN-1AS19718 NCNIAS20197 NCRC-KANNAPOLISAS22862 CLINTON-CITY-SCHOOLSAS26741 CEMCAS32417 ELONU-ASAS32711 WCGNCAS33401 CPCCAS36850 UNC-CHAS40245 WAKE-FOREST-UNIVERSITYAS46255 CHARLOTTE-MECKLENBURG-SCHOOLS-NCAS46794 PENDER COUNTY SCHOOLSAS46963 CITY-WINSTON-SALEM-ASAS47098 SAMPSON COUNTY SCHOOLSAS53317 WAKEMEDAS53384 UNCC-ASAS53785 UNC-GREENSBOROAS54640 CONEHEALTHAS63109 FCEMC-NETWORKSAS393354 TOWNOFHOLLYSPRINGSAS393824 APOG-LENOIR-RHYNEAS393875 UMO-ASAS394165 COGNCAS394407 CCCC-NCAS395312AS395465 APOG-UNCC-SOUTHAS396028 VIDANTHEALTHAS396391 GUILFORD-COLLEGEAS396837 SEAA18AS396978 ORANGE-WATER-SEWER-AUTHORITYAS397646 MHUAS398580 QUEENS-UNIV-CLT-01AS398870 GCRNETAS399050 ROW-CAB-01AS399407 SALEM-AC-01AS399565AS399708 NCWC-ARIN-ASNAS400959 CARYNC
Expanded
Every AS it reaches
What a filter built from AS-NCREN would let in: 50 ASes.
Show the 50 ASes
AS81AS2721AS6559AS7119AS10952AS11442AS11777AS13371AS13862AS17031AS18538AS19161AS19413AS19718AS20197AS22862AS26741AS32417AS32711AS33401AS36850AS40245AS46255AS46794AS46963AS47098AS53317AS53384AS53785AS54640AS63109AS393354AS393824AS393875AS394165AS394407AS395312AS395465AS396028AS396391AS396837AS396978AS397646AS398580AS398870AS399050AS399407AS399565AS399708AS400959
Prefixes
What AS-NCREN covers
Every route object in the IRR whose origin is one of the 50 ASes it reaches: the prefixes a filter built from AS-NCREN (with bgpq4, say) would allow. 497 IPv4 and 25 IPv6. Every one is in the IRR API.
497 IPv4 prefixes
108.161.192.0/20108.161.192.0/22108.161.192.0/23108.161.194.0/24108.161.195.0/24108.161.196.0/22108.161.196.0/23108.161.199.0/24108.161.200.0/22108.161.200.0/24108.161.201.0/24108.161.202.0/24108.161.203.0/24108.161.204.0/23108.161.206.0/24108.161.207.0/24128.109.0.0/16128.109.123.0/24128.109.130.0/24128.109.131.0/24128.109.132.0/24128.109.137.0/24128.109.139.0/24128.109.177.0/24128.109.178.0/24128.109.193.0/24128.109.48.0/24128.109.64.0/24128.109.86.0/24130.51.110.0/24136.175.196.0/24138.210.87.0/24149.168.0.0/16150.216.0.0/16150.216.0.0/24150.216.255.0/24152.1.0.0/16152.10.0.0/16152.10.12.0/24152.10.249.0/24152.10.251.0/24152.10.252.0/24152.10.46.0/24152.10.47.0/24152.11.0.0/16152.12.0.0/16152.13.0.0/16152.13.0.0/24152.13.1.0/24152.13.112.0/20152.13.128.0/23152.13.146.0/23152.13.172.0/23152.13.236.0/22152.13.240.0/22152.13.32.0/19152.13.64.0/24152.13.66.0/23152.13.70.0/23152.13.72.0/23152.13.76.0/22152.13.80.0/21152.13.88.0/22152.13.92.0/23152.14.0.0/16152.15.0.0/16152.15.98.0/23152.16.0.0/16152.17.0.0/16152.18.0.0/16152.19.0.0/16152.2.0.0/15152.2.0.0/16152.20.0.0/16152.21.0.0/16152.21.250.0/24152.21.45.0/24152.22.0.0/16152.22.0.0/23152.22.104.0/21152.22.112.0/21152.22.224.0/20152.22.240.0/20152.22.32.0/21152.22.40.0/21152.22.48.0/21152.22.64.0/21152.22.72.0/21152.22.80.0/21152.22.96.0/21152.23.0.0/16152.26.0.0/16152.26.16.0/24152.26.176.0/24152.26.177.0/24152.26.178.0/24152.26.179.0/24152.26.180.0/24152.26.181.0/24152.26.182.0/24152.26.192.0/24152.26.193.0/24152.26.194.0/24152.26.195.0/24152.26.197.0/24152.26.198.0/24152.26.199.0/24152.26.200.0/24152.26.201.0/24152.26.208.0/24152.26.209.0/24152.26.210.0/24152.26.211.0/24152.26.212.0/24152.26.213.0/24152.26.228.0/24152.26.230.0/24152.26.29.0/24152.26.30.0/24152.26.31.0/24152.26.32.0/24152.26.40.0/24152.26.44.0/24152.26.46.0/24152.26.50.0/24152.26.52.0/24152.26.55.0/24152.26.56.0/24152.26.57.0/24152.26.60.0/24152.26.68.0/24152.26.69.0/24152.26.79.0/24152.26.87.0/24152.26.88.0/22152.27.0.0/16152.27.12.0/24152.27.74.0/24152.28.0.0/16152.28.1.0/24152.28.192.0/20152.29.0.0/16152.3.0.0/16152.30.0.0/16152.30.10.0/24152.30.92.0/22152.30.92.0/24152.31.0.0/16152.32.0.0/18152.33.0.0/16152.34.0.0/16152.36.0.0/21152.36.1.0/24152.36.112.0/20152.36.2.0/24152.36.3.0/24152.36.32.0/20152.36.4.0/24152.36.48.0/20152.36.5.0/24152.36.6.0/24152.36.7.0/24152.36.80.0/20152.36.96.0/20152.37.0.0/18152.37.1.0/24152.37.2.0/24152.37.5.0/24152.38.0.0/18152.38.160.0/19152.38.17.0/24152.38.18.0/24152.38.192.0/18152.38.192.0/20152.38.208.0/20152.38.224.0/19152.38.64.0/19152.39.0.0/17152.39.64.0/18152.4.0.0/16152.4.0.0/18152.4.100.0/24152.4.101.0/24152.4.111.0/24152.4.144.0/20152.4.160.0/20152.4.176.0/24152.4.208.0/20152.4.224.0/20152.4.240.0/24152.40.0.0/16152.40.0.0/18152.42.64.0/18152.43.0.0/16152.45.0.0/16152.45.1.0/24152.45.10.0/24152.45.11.0/24152.45.15.0/24152.45.2.0/24152.45.20.0/24152.45.3.0/24152.45.4.0/24152.45.5.0/24152.45.6.0/24152.45.8.0/24152.45.9.0/24152.46.0.0/16152.46.1.0/24152.46.12.0/24152.46.13.0/24152.46.14.0/24152.46.15.0/24152.46.16.0/21152.46.2.0/24152.46.24.0/24152.46.25.0/24152.46.252.0/22152.46.26.0/24152.46.27.0/24152.46.28.0/24152.46.29.0/24152.46.3.0/24152.46.30.0/24152.46.31.0/24152.46.32.0/24152.46.33.0/24152.46.34.0/24152.46.35.0/24152.46.36.0/24152.46.37.0/24152.46.38.0/24152.46.39.0/24152.46.4.0/24152.46.42.0/24152.46.43.0/24152.46.44.0/24152.46.45.0/24152.46.47.0/24152.46.48.0/24152.46.5.0/24152.46.6.0/24152.46.7.0/24152.46.8.0/24152.46.9.0/24152.47.0.0/16152.48.0.0/16152.49.0.0/16152.54.0.0/16152.54.0.0/20152.6.0.0/16152.60.0.0/16152.60.4.0/24152.7.0.0/16152.8.0.0/16152.9.0.0/16158.51.180.0/22158.51.180.0/23158.51.180.0/24158.51.182.0/24158.51.183.0/24168.190.0.0/16168.190.0.0/17168.190.0.0/18168.190.128.0/17168.190.128.0/18168.190.192.0/18168.190.200.0/24168.190.202.0/24168.190.206.0/24168.190.210.0/24168.190.211.0/24168.190.212.0/24168.190.252.0/22168.190.252.0/24168.190.254.0/24168.190.64.0/18168.190.64.0/19168.190.65.0/24168.190.66.0/24168.190.72.0/21168.190.81.0/24168.190.82.0/24168.190.83.0/24168.190.84.0/24168.190.90.0/24168.190.91.0/24168.190.92.0/24168.190.93.0/24168.190.94.0/24168.190.95.0/24168.190.96.0/22168.190.96.0/24168.190.97.0/24168.190.98.0/24170.39.252.0/22170.39.252.0/23170.39.254.0/23170.53.0.0/16170.53.0.0/23170.53.10.0/24170.53.12.0/24170.53.13.0/24170.53.15.0/24170.53.16.0/20170.53.2.0/24170.53.24.0/24170.53.25.0/24170.53.27.0/24170.53.28.0/24170.53.29.0/24170.53.4.0/24170.53.5.0/24170.53.6.0/24170.53.7.0/24170.53.8.0/24170.53.9.0/24172.110.132.0/22172.86.152.0/22172.86.152.0/23172.86.154.0/23174.99.240.0/24185.83.159.0/24192.101.21.0/24192.101.22.0/23192.101.22.0/24192.101.23.0/24192.101.24.0/24192.137.210.0/24192.147.30.0/24192.154.33.0/24192.154.41.0/24192.154.43.0/24192.154.48.0/24192.154.53.0/24192.154.54.0/24192.154.55.0/24192.154.58.0/24192.154.60.0/24192.154.61.0/24192.154.62.0/24192.154.63.0/24192.154.64.0/24192.154.65.0/24192.154.66.0/24192.154.76.0/23192.154.76.0/24192.154.77.0/24192.154.95.0/24192.188.108.0/24192.189.244.0/24192.58.122.0/24192.73.4.0/24198.135.235.0/24198.140.224.0/24198.232.64.0/19198.232.64.0/24198.232.72.0/24198.232.73.0/24198.232.76.0/22198.232.80.0/24198.232.81.0/24198.232.82.0/24198.232.96.0/21198.62.72.0/24198.85.0.0/16198.85.117.0/24198.85.118.0/23198.85.197.0/24198.85.203.0/24198.85.204.0/24198.85.208.0/22198.85.212.0/23198.85.212.0/24198.85.214.0/24198.85.216.0/22198.85.220.0/24198.85.223.0/24198.85.228.0/24198.85.230.0/23198.85.236.0/24198.85.239.0/24198.85.240.0/23198.85.242.0/24198.85.244.0/22198.85.48.0/20198.85.71.0/24198.85.73.0/24198.86.0.0/16198.86.104.0/21198.86.104.0/23198.86.106.0/23198.86.108.0/23198.86.110.0/23198.86.12.0/24198.86.14.0/23198.86.16.0/24198.86.160.0/24198.86.179.0/24198.86.180.0/24198.86.2.0/23198.86.244.0/22198.86.248.0/21198.86.28.0/24198.86.29.0/24198.86.4.0/22198.86.44.0/24198.86.48.0/24198.86.49.0/24198.86.57.0/24198.86.72.0/24198.86.8.0/24199.120.166.0/23199.233.113.0/24199.233.114.0/24199.250.184.0/22199.90.0.0/16199.90.128.0/17199.90.64.0/18204.152.2.0/23204.211.0.0/16204.238.30.0/24204.69.248.0/24204.84.0.0/15204.84.112.0/21204.84.120.0/24204.84.200.0/21204.84.224.0/23204.84.226.0/23204.84.228.0/22204.84.236.0/23204.84.238.0/23204.84.243.0/24204.84.244.0/22204.84.252.0/22204.84.4.0/23204.84.6.0/24204.84.66.0/24204.84.7.0/24204.84.8.0/22204.84.80.0/20204.84.96.0/20204.85.176.0/20204.85.191.0/24204.85.192.0/18204.85.198.0/23204.85.200.0/23204.85.206.0/24204.85.212.0/24204.85.218.0/24204.85.219.0/24204.85.223.0/24204.85.224.0/22204.85.24.0/23204.85.240.0/22204.85.35.0/24205.167.132.0/23205.186.224.0/19205.186.226.0/24206.107.110.0/24206.211.64.0/19206.219.126.0/24206.219.96.0/19207.167.68.0/22207.167.68.0/23207.167.70.0/23207.192.0.0/18207.4.0.0/16208.209.207.0/24208.48.255.0/24208.51.16.0/24208.6.43.0/24209.239.128.0/19216.77.41.0/2423.137.208.0/2463.116.32.0/2463.116.33.0/2463.116.34.0/2463.116.35.0/2463.116.36.0/2463.116.37.0/2463.116.46.0/2463.165.102.0/2463.165.104.0/2464.189.148.0/2364.189.16.0/2364.189.16.0/2464.189.17.0/2464.191.224.0/2464.74.34.0/2466.150.105.0/2466.194.217.0/2467.159.64.0/1868.119.182.0/2368.119.186.0/2368.119.186.0/2468.119.187.0/24
25 IPv6 prefixes
2001:468:1500::/402600:2700::/282600:2701:2000::/442600:2701:4000::/452600:2704:100::/482602:27e::/402602:f64d::/402602:f6b8::/402602:fdcb:800::/372602:fdcb::/362602:fdcb::/372605:100::/322605:7b40::/322605:93c0::/322606:c000::/322606:f640::/322610:28:3020::/482610:28:3090::/482610:28:5030::/482610:28::/322610:28:f020::/482620:0:690::/472620:52:a000::/482620:7:2000::/482620:dd:2000::/48
Registries
Each registry’s copy
ARIN50 membersASNs within NCREN
| Maintained by | MNT-MCNC-Z |
| Last modified | 2026-06-10T17:57:59Z |
| Members | AS81 AS2721 AS6559 AS10952 AS11442 AS11777 AS13371 AS13862 AS17031 AS18538 AS19161 AS19413 AS19718 AS20197 AS22862 AS26741 AS32417 AS32711 AS33401 AS36850 AS40245 AS46255 AS46794 AS46963 AS47098 AS53384 AS53785 AS54640 AS63109 AS393354 AS393824 AS393875 AS394165 AS394407 AS395312 AS395465 AS396028 AS396391 AS396837 AS396978 AS397646 AS398580 AS398870 AS399050 AS399407 AS399565 AS399708 AS400959 AS7119 AS53317 |
| mbrs-by-ref | N |
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