ASN Lookup

An ASN lookup helps you identify the Autonomous System Number (ASN) behind an IP address, including the ISP, network owner, and routing details. Use it to better understand IP ownership and network behavior.

Enter Autonomous System Number (ASN)

Result

Overview - AS81

81

MCNC

mcnc.org

(ISP) Fixed Line ISP

2,023,168

1.3 Nonillion

IP Coverage

Netblock Number of IPs   
128.109.0.0/16 65,536
152.4.0.0/16 65,536
152.6.0.0/16 65,536
152.8.0.0/16 65,536
152.9.0.0/16 65,536
152.10.0.0/16 65,536
152.11.0.0/16 65,536
152.12.0.0/16 65,536
152.18.0.0/16 65,536
152.20.0.0/16 65,536
152.21.0.0/16 65,536
152.22.2.0/23 512
152.22.4.0/22 1,024
152.22.8.0/21 2,048
152.22.16.0/20 4,096
152.22.32.0/21 2,048
152.22.40.0/21 2,048
152.22.48.0/21 2,048
152.22.56.0/21 2,048
152.22.64.0/21 2,048
152.22.72.0/21 2,048
152.22.80.0/21 2,048
152.22.88.0/21 2,048
152.22.96.0/19 8,192
152.22.128.0/18 16,384
152.22.192.0/19 8,192
152.26.0.0/20 4,096
152.26.16.0/24 256
152.26.17.0/24 256
152.26.18.0/23 512
152.26.20.0/22 1,024
152.26.24.0/22 1,024
152.26.28.0/23 512
152.26.30.0/24 256
152.26.32.0/21 2,048
152.26.40.0/22 1,024
152.26.44.0/24 256
152.26.45.0/24 256
152.26.46.0/23 512
152.26.48.0/22 1,024
152.26.52.0/23 512
152.26.54.0/24 256
152.26.57.0/24 256
152.26.58.0/23 512
152.26.60.0/24 256
152.26.61.0/24 256
152.26.62.0/23 512
152.26.64.0/22 1,024
152.26.68.0/24 256
152.26.69.0/24 256
152.26.70.0/23 512
152.26.72.0/21 2,048
152.26.80.0/21 2,048
152.26.92.0/22 1,024
152.26.96.0/19 8,192
152.26.128.0/18 16,384
152.26.192.0/20 4,096
152.26.208.0/24 256
152.26.209.0/24 256
152.26.210.0/24 256
152.26.211.0/24 256
152.26.212.0/24 256
152.26.213.0/24 256
152.26.214.0/23 512
152.26.216.0/21 2,048
152.26.224.0/19 8,192
152.27.0.0/21 2,048
152.27.8.0/22 1,024
152.27.12.0/24 256
152.27.13.0/24 256
152.27.14.0/23 512
152.27.16.0/20 4,096
152.27.32.0/19 8,192
152.27.64.0/21 2,048
152.27.72.0/23 512
152.27.75.0/24 256
152.27.76.0/22 1,024
152.27.80.0/20 4,096
152.27.96.0/19 8,192
152.27.128.0/17 32,768
152.28.0.0/24 256
152.28.1.0/24 256
152.28.2.0/23 512
152.28.4.0/22 1,024
152.28.8.0/21 2,048
152.28.16.0/20 4,096
152.28.32.0/19 8,192
152.28.64.0/18 16,384
152.28.128.0/17 32,768
152.29.0.0/16 65,536
152.30.0.0/21 2,048
152.30.8.0/23 512
152.30.10.0/24 256
152.30.11.0/24 256
152.30.12.0/22 1,024
152.30.16.0/20 4,096
152.30.32.0/19 8,192
152.30.64.0/20 4,096
152.30.80.0/21 2,048
152.30.88.0/22 1,024
152.30.92.0/24 256
152.30.93.0/24 256
152.30.94.0/23 512
152.30.96.0/19 8,192
152.30.128.0/17 32,768
152.32.0.0/18 16,384
152.35.0.0/16 65,536
152.38.0.0/20 4,096
152.38.16.0/24 256
152.38.17.0/24 256
152.38.18.0/24 256
152.38.19.0/24 256
152.38.20.0/22 1,024
152.38.24.0/21 2,048
152.38.32.0/19 8,192
152.38.64.0/19 8,192
152.38.160.0/19 8,192
152.38.192.0/20 4,096
152.38.208.0/20 4,096
152.38.224.0/19 8,192
152.40.64.0/18 16,384
152.40.128.0/17 32,768
152.42.64.0/18 16,384
152.45.0.0/24 256
152.45.1.0/24 256
152.45.2.0/24 256
152.45.3.0/24 256
152.45.4.0/24 256
152.45.5.0/24 256
152.45.6.0/24 256
152.45.7.0/24 256
152.45.8.0/24 256
152.45.9.0/24 256
152.45.10.0/24 256
152.45.11.0/24 256
152.45.12.0/23 512
152.45.14.0/24 256
152.45.15.0/24 256
152.45.16.0/22 1,024
152.45.20.0/24 256
152.45.21.0/24 256
152.45.22.0/23 512
152.45.24.0/21 2,048
152.45.32.0/19 8,192
152.45.64.0/18 16,384
152.45.128.0/17 32,768
152.46.0.0/24 256
152.46.1.0/24 256
152.46.2.0/24 256
152.46.3.0/24 256
152.46.4.0/24 256
152.46.5.0/24 256
152.46.6.0/24 256
152.46.7.0/24 256
152.46.8.0/24 256
152.46.9.0/24 256
152.46.10.0/23 512
152.46.12.0/24 256
152.46.13.0/24 256
152.46.14.0/24 256
152.46.15.0/24 256
152.46.16.0/21 2,048
152.46.24.0/24 256
152.46.25.0/24 256
152.46.26.0/24 256
152.46.27.0/24 256
152.46.28.0/24 256
152.46.29.0/24 256
152.46.30.0/24 256
152.46.31.0/24 256
152.46.32.0/24 256
152.46.33.0/24 256
152.46.34.0/24 256
152.46.35.0/24 256
152.46.36.0/24 256
152.46.37.0/24 256
152.46.38.0/24 256
152.46.39.0/24 256
152.46.40.0/23 512
152.46.42.0/24 256
152.46.43.0/24 256
152.46.44.0/24 256
152.46.45.0/24 256
152.46.46.0/24 256
152.46.47.0/24 256
152.46.48.0/24 256
152.46.49.0/24 256
152.46.50.0/23 512
152.46.52.0/22 1,024
152.46.56.0/21 2,048
152.46.64.0/18 16,384
152.46.128.0/18 16,384
152.46.192.0/19 8,192
152.46.224.0/20 4,096
152.46.240.0/21 2,048
152.46.248.0/22 1,024
152.46.252.0/22 1,024
152.47.0.0/16 65,536
152.48.0.0/16 65,536
152.49.0.0/16 65,536
152.54.0.0/20 4,096
152.54.16.0/20 4,096
152.54.32.0/19 8,192
152.54.64.0/18 16,384
152.54.128.0/17 32,768
152.60.0.0/22 1,024
152.60.4.0/24 256
152.60.5.0/24 256
152.60.6.0/23 512
152.60.8.0/21 2,048
152.60.16.0/20 4,096
152.60.32.0/19 8,192
152.60.64.0/18 16,384
152.60.128.0/17 32,768
185.83.159.0/24 256
192.101.21.0/24 256
192.101.22.0/24 256
192.101.23.0/24 256
192.101.24.0/24 256
192.137.210.0/24 256
192.154.33.0/24 256
192.154.43.0/24 256
192.154.48.0/24 256
192.154.53.0/24 256
192.154.55.0/24 256
192.154.58.0/24 256
192.154.60.0/24 256
192.154.61.0/24 256
192.154.66.0/24 256
192.154.76.0/23 512
192.154.95.0/24 256
192.189.244.0/24 256
198.85.0.0/18 16,384
198.85.64.0/19 8,192
198.85.96.0/20 4,096
198.85.112.0/22 1,024
198.85.116.0/24 256
198.85.118.0/23 512
198.85.120.0/21 2,048
198.85.128.0/18 16,384
198.85.192.0/20 4,096
198.85.208.0/22 1,024
198.85.213.0/24 256
198.85.214.0/23 512
198.85.216.0/22 1,024
198.85.221.0/24 256
198.85.222.0/24 256
198.85.224.0/22 1,024
198.85.229.0/24 256
198.85.232.0/21 2,048
198.85.240.0/20 4,096
198.86.0.0/20 4,096
198.86.16.0/21 2,048
198.86.24.0/22 1,024
198.86.28.0/24 256
198.86.30.0/23 512
198.86.32.0/19 8,192
198.86.64.0/18 16,384
198.86.128.0/18 16,384
198.86.192.0/19 8,192
198.86.224.0/20 4,096
198.86.240.0/22 1,024
198.86.244.0/22 1,024
198.86.248.0/21 2,048
204.84.0.0/22 1,024
204.84.12.0/22 1,024
204.84.16.0/20 4,096
204.84.32.0/19 8,192
204.84.64.0/23 512
204.84.67.0/24 256
204.84.68.0/22 1,024
204.84.72.0/21 2,048
204.84.80.0/20 4,096
204.84.96.0/20 4,096
204.84.112.0/21 2,048
204.84.120.0/24 256
204.84.121.0/24 256
204.84.122.0/23 512
204.84.124.0/22 1,024
204.84.128.0/18 16,384
204.84.192.0/19 8,192
204.84.224.0/21 2,048
204.84.232.0/22 1,024
204.84.236.0/23 512
204.84.240.0/22 1,024
204.84.248.0/22 1,024
204.85.0.0/17 32,768
204.85.128.0/19 8,192
204.85.160.0/20 4,096
204.85.192.0/18 16,384
206.107.110.0/24 256
206.211.64.0/19 8,192

Show more IP address ranges »

Netblock Number of IPs   
2600:2700::/32 79,228,162,514,264,337,593,543,950,336
2600:2701::/34 19,807,040,628,566,084,398,385,987,584
2600:2701:4008::/45 9,671,406,556,917,033,397,649,408
2600:2701:4010::/44 19,342,813,113,834,066,795,298,816
2600:2701:4020::/43 38,685,626,227,668,133,590,597,632
2600:2701:4040::/42 77,371,252,455,336,267,181,195,264
2600:2701:4080::/41 154,742,504,910,672,534,362,390,528
2600:2701:4100::/40 309,485,009,821,345,068,724,781,056
2600:2701:4200::/39 618,970,019,642,690,137,449,562,112
2600:2701:4400::/38 1,237,940,039,285,380,274,899,124,224
2600:2701:4800::/37 2,475,880,078,570,760,549,798,248,448
2600:2701:5000::/36 4,951,760,157,141,521,099,596,496,896
2600:2701:6000::/35 9,903,520,314,283,042,199,192,993,792
2600:2701:8000::/33 39,614,081,257,132,168,796,771,975,168
2600:2702::/31 158,456,325,028,528,675,187,087,900,672
2600:2704::/40 309,485,009,821,345,068,724,781,056
2600:2704:101::/48 1,208,925,819,614,629,174,706,176
2600:2704:102::/47 2,417,851,639,229,258,349,412,352
2600:2704:104::/46 4,835,703,278,458,516,698,824,704
2600:2704:108::/45 9,671,406,556,917,033,397,649,408
2600:2704:110::/44 19,342,813,113,834,066,795,298,816
2600:2704:120::/43 38,685,626,227,668,133,590,597,632
2600:2704:140::/42 77,371,252,455,336,267,181,195,264
2600:2704:180::/41 154,742,504,910,672,534,362,390,528
2600:2704:200::/39 618,970,019,642,690,137,449,562,112
2600:2704:400::/38 1,237,940,039,285,380,274,899,124,224
2600:2704:800::/37 2,475,880,078,570,760,549,798,248,448
2600:2704:1000::/36 4,951,760,157,141,521,099,596,496,896
2600:2704:2000::/35 9,903,520,314,283,042,199,192,993,792
2600:2704:4000::/34 19,807,040,628,566,084,398,385,987,584
2600:2704:8000::/33 39,614,081,257,132,168,796,771,975,168
2600:2705::/32 79,228,162,514,264,337,593,543,950,336
2600:2706::/31 158,456,325,028,528,675,187,087,900,672
2600:2708::/29 633,825,300,114,114,700,748,351,602,688
2602:f64d::/40 309,485,009,821,345,068,724,781,056
2602:f6b8::/44 19,342,813,113,834,066,795,298,816
2610:28::/35 9,903,520,314,283,042,199,192,993,792
2610:28:2000::/36 4,951,760,157,141,521,099,596,496,896
2610:28:3000::/41 154,742,504,910,672,534,362,390,528
2610:28:3080::/44 19,342,813,113,834,066,795,298,816
2610:28:3091::/48 1,208,925,819,614,629,174,706,176
2610:28:3092::/47 2,417,851,639,229,258,349,412,352
2610:28:3094::/46 4,835,703,278,458,516,698,824,704
2610:28:3098::/45 9,671,406,556,917,033,397,649,408
2610:28:30a0::/43 38,685,626,227,668,133,590,597,632
2610:28:30c0::/42 77,371,252,455,336,267,181,195,264
2610:28:3100::/40 309,485,009,821,345,068,724,781,056
2610:28:3200::/39 618,970,019,642,690,137,449,562,112
2610:28:3400::/38 1,237,940,039,285,380,274,899,124,224
2610:28:3800::/37 2,475,880,078,570,760,549,798,248,448
2610:28:4000::/34 19,807,040,628,566,084,398,385,987,584
2610:28:8000::/34 19,807,040,628,566,084,398,385,987,584
2610:28:c000::/35 9,903,520,314,283,042,199,192,993,792
2610:28:e000::/36 4,951,760,157,141,521,099,596,496,896
2610:28:f000::/43 38,685,626,227,668,133,590,597,632
2610:28:f021::/48 1,208,925,819,614,629,174,706,176
2610:28:f022::/47 2,417,851,639,229,258,349,412,352
2610:28:f024::/46 4,835,703,278,458,516,698,824,704
2610:28:f028::/45 9,671,406,556,917,033,397,649,408
2610:28:f030::/44 19,342,813,113,834,066,795,298,816
2610:28:f040::/42 77,371,252,455,336,267,181,195,264
2610:28:f080::/41 154,742,504,910,672,534,362,390,528
2610:28:f100::/40 309,485,009,821,345,068,724,781,056
2610:28:f200::/39 618,970,019,642,690,137,449,562,112
2610:28:f400::/38 1,237,940,039,285,380,274,899,124,224
2610:28:f800::/37 2,475,880,078,570,760,549,798,248,448

Show more IP address ranges »

Geographic Distribution (IPv4)

United States of America
 100%

Usage & Classification (IPv4)

(ISP) Fixed Line ISP

54.12%

(EDU) University/College/School

43.97%

(ORG) Organization

1.06%

(COM) Commercial

0.47%

(GOV) Government

0.25%

Fixed Line ISP (ISP)

Internet Service Providers in this category offer wired broadband connections to homes, offices, and commercial buildings. They are responsible for the fundamental routing of internet traffic and the management of regional network infrastructure.

University/College/School (EDU)

Educational IPs serve universities, colleges, and K-12 schools, providing the backbone for campus-wide connectivity. These networks support a wide array of activities, including academic research, student administration, and classroom instruction.

Organization (ORG)

Reserved for non-commercial entities, these networks support NGOs, charities, and professional associations. Rather than pursuing profit, these IPs are dedicated to advocacy, public service, and administrative functions.

Commercial (COM)

Commercial networks are operated by for-profit businesses ranging from local startups to multinational corporations. These IPs facilitate e-commerce, internal corporate operations, and general business activities aimed at generating revenue.

Government (GOV)

Government IPs are assigned to official agencies and entities at local, regional, and national levels. These networks are critical for managing public services, regulatory functions, and general administrative tasks.

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