| AS Name | Org Name | IPv4Prefixes | IPv6Prefixes | IPv4 NUMs | IPv6 NUMs(/64) | Registry Region | Looking Glass |
|---|---|---|---|---|---|---|---|
| CMCS | 147 | 0 | 1,832,448 | 0 |  United States |
| CIDR | Description | IP Num |
|---|---|---|
| 23.24.128.0/19 | Comcast Cable Communications, LLC | 8192 |
| 23.31.64.0/19 | GREASE MONKEY INTL (C03251272) | 8192 |
| 23.70.32.0/22 | Comcast Cable Communications, LLC (C07473624) | 1024 |
| 23.71.12.0/22 | Comcast Cable Communications, LLC (C07238885) | 1024 |
| 23.216.80.0/20 | Akamai Technologies, Inc. | 4096 |
| 24.8.0.0/15 | Comcast Cable Communications (C00703333) | 131072 |
| 50.76.128.0/20 | Comcast Cable Communications, LLC (CCCS) | 4096 |
| 50.78.80.0/21 | DAVID TAYLOR (C03304771) | 2048 |
| 50.78.192.0/20 | NET-CENTRIC DESIGN PROFE (C03304764) | 4096 |
| 50.194.128.0/19 | WELD COUNTY PUBLIC TRUST (C03239167) | 8192 |
| 50.198.192.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 50.206.244.0/24 | Comcast Cable Communications, LLC | 256 |
| 50.208.0.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 50.209.224.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 50.211.224.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 50.227.142.0/24 | Comcast Cable Communications, LLC | 256 |
| 50.242.128.0/20 | Comcast Cable Communications, LLC | 4096 |
| 50.243.128.0/19 | Comcast Cable Communications, LLC | 8192 |
| 50.246.192.0/19 | Comcast Cable Communications, LLC | 8192 |
| 50.250.128.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 50.253.96.0/19 | Comcast Cable Communications, LLC | 8192 |
| 67.161.128.0/19 | Comcast Cable Communications, Inc. (C00500661) | 8192 |
| 67.161.192.0/20 | Comcast Cable Communications, Inc. (C00500173) | 4096 |
| 67.162.128.0/19 | Comcast Cable Communications, Inc. (C00500648) | 8192 |
| 67.164.160.0/19 | Comcast Cable Communications, Inc. (C00500642) | 8192 |
| 67.164.224.0/22 | Comcast Cable Communications, IP Services (C00612397) | 1024 |
| 67.164.252.0/22 | Comcast Cable Communications, IP Services (C00612403) | 1024 |
| 67.165.192.0/18 | Comcast Cable Communications, IP Services (C00612400) | 16384 |
| 67.166.0.0/18 | Comcast Cable Communications, IP Services (C00612401) | 16384 |
| 67.172.128.0/19 | Comcast Cable Communications, IP Services (C00681400) | 8192 |
| 67.173.224.0/19 | Comcast Cable Communications, IP Services (C00743365) | 8192 |
| 67.174.96.0/19 | Comcast Cable Communications, IP Services (C00743367) | 8192 |
| 67.174.176.0/20 | Comcast Cable Communications, Inc. (C01135096) | 4096 |
| 67.176.0.0/17 | Comcast Cable Communications, Inc (C00934634) | 32768 |
| 67.177.192.0/18 | Comcast Cable Communications, Inc (C00934627) | 16384 |
| 67.178.18.0/23 | Comcast Cable Communications, Inc (C00934628) | 512 |
| 67.178.69.0/24 | Comcast Cable Communications, Inc (C00934628) | 256 |
| 67.190.0.0/18 | Comcast Cable Communications, Inc. (C01136186) | 16384 |
| 67.190.64.0/18 | Comcast Cable Communications, Inc. (C01136185) | 16384 |
| 67.190.128.0/18 | Comcast Cable Communications, Inc. (C01136184) | 16384 |
| 68.85.89.0/24 | Comcast Cable Communications, LLC | 256 |
| 68.85.107.0/24 | Comcast Cable Communications, Inc. (C00491539) | 256 |
| 68.85.220.0/23 | Comcast Cable Communications, Inc. (C01616542) | 512 |
| 68.86.19.0/24 | Comcast Cable Communications, Inc. (C01616570) | 256 |
| 68.86.103.0/24 | Comcast Cable Communications, Inc. (C01616566) | 256 |
| 68.86.104.0/23 | Comcast Cable Communications, Inc. (C01616566) | 512 |
| 68.86.128.0/23 | Comcast Cable Communications, Inc. (C01616569) | 512 |
| 68.86.179.0/24 | Comcast Cable Communications, Inc. (C01616569) | 256 |
| 68.87.70.0/24 | Comcast Cable Communications, Inc. (C01616562) | 256 |
| 68.87.247.0/24 | Comcast Cable Communications, Inc. (C01520062) | 256 |
| 69.139.228.0/24 | Comcast Cable Communications, LLC (CCCS) | 256 |
| 69.241.22.0/24 | Comcast Cable Communications, Inc. (C01623945) | 256 |
| 69.241.125.0/24 | Comcast Cable Communications, Inc. (C01543874) | 256 |
| 70.89.160.0/20 | Comcast Cable Communications, LLC | 4096 |
| 70.90.112.0/21 | Comcast Cable Communications, LLC | 2048 |
| 70.91.168.0/21 | Comcast Cable Communications, LLC | 2048 |
| 71.56.192.0/18 | Comcast Cable Communications Holdings, Inc (C02607903) | 16384 |
| 71.196.128.0/17 | Comcast Cable Communications, IP Services (C01246429) | 32768 |
| 71.205.0.0/16 | Comcast Cable Communications, Inc. (C05582164) | 65536 |
| 71.229.128.0/17 | Comcast Cable Communications, Inc. (C01336520) | 32768 |
| 71.237.0.0/17 | Comcast Cable Communications, Inc. (C01417138) | 32768 |
| 73.3.128.0/17 | Comcast IP Services, L.L.C. (C05255420) | 32768 |
| 73.14.0.0/16 | Comcast IP Services, L.L.C. (C05332801) | 65536 |
| 73.34.0.0/16 | Comcast IP Services, L.L.C. (C04999879) | 65536 |
| 73.78.0.0/16 | Comcast IP Services, L.L.C. (C05967120) | 65536 |
| 73.95.0.0/16 | Comcast IP Services, L.L.C. (C06037924) | 65536 |
| 73.153.0.0/16 | Comcast Cable Communications, LLC | 65536 |
| 73.169.0.0/17 | Comcast IP Services, L.L.C. (C05191923) | 32768 |
| 73.181.0.0/17 | Comcast IP Services, L.L.C. (C04882281) | 32768 |
| 73.203.0.0/17 | Comcast IP Services, L.L.C. (C05515211) | 32768 |
| 73.217.0.0/17 | Comcast IP Services, L.L.C. (C05555853) | 32768 |
| 73.229.0.0/16 | Comcast Cable Communications, LLC | 65536 |
| 73.243.0.0/16 | Comcast IP Services, L.L.C. (C05900722) | 65536 |
| 74.92.208.0/20 | Comcast Cable Communications, LLC (CCCS) | 4096 |
| 74.93.224.0/20 | Comcast Cable Communications, LLC (CCCS) | 4096 |
| 74.95.112.0/21 | Comcast Cable Communications, LLC (CCCS) | 2048 |
| 75.70.0.0/15 | Comcast Cable Communications Holdings, Inc (C02610777) | 131072 |
| 75.145.112.0/20 | Comcast Cable Communications, LLC (CCCS) | 4096 |
| 75.148.32.0/20 | Comcast Cable Communications, LLC (CCCS) | 4096 |
| 75.148.112.0/20 | Comcast Cable Communications, LLC | 4096 |
| 75.151.80.0/20 | Comcast Cable Communications, LLC | 4096 |
| 76.25.0.0/16 | Comcast Cable Communications, Inc. (C01618404) | 65536 |
| 76.96.47.0/24 | Comcast Cable Communications, Inc. (C01616564) | 256 |
| 76.120.0.0/17 | Comcast Cable Communications, Inc. (C01718599) | 32768 |
| 96.66.64.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 96.69.128.0/18 | Comcast Cable Communications, LLC (CCCS) | 16384 |
| 96.75.96.0/19 | Comcast Cable Communications, LLC | 8192 |
| 96.76.160.0/20 | Comcast Cable Communications, LLC | 4096 |
| 96.78.0.0/19 | Comcast Cable Communications, LLC | 8192 |
| 96.79.208.0/21 | Comcast Cable Communications, LLC | 2048 |
| 96.79.232.0/21 | Comcast Cable Communications, LLC | 2048 |
| 96.81.32.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 96.84.240.0/20 | Comcast Cable Communications, LLC | 4096 |
| 96.87.32.0/19 | Comcast Cable Communications, LLC | 8192 |
| 96.88.64.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 96.90.160.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 96.93.192.0/19 | Comcast Cable Communications, LLC | 8192 |
| 96.96.32.0/21 | Comcast Cable Communications, LLC | 2048 |
| 96.108.138.0/24 | Comcast Cable Communications, LLC | 256 |
| 96.108.139.0/24 | Comcast Cable Communications, LLC | 256 |
| 96.108.194.0/23 | Comcast Cable Communications, LLC | 512 |
| 96.108.221.0/24 | Comcast Cable Communications, LLC | 256 |
| 96.109.80.0/24 | Comcast Cable Communications, LLC | 256 |
| 96.110.0.0/24 | Comcast Cable Communications, LLC | 256 |
| 96.110.65.0/24 | Comcast Cable Communications, LLC | 256 |
| 96.110.149.0/24 | Comcast Cable Communications, LLC | 256 |
| 96.110.194.0/23 | Comcast Cable Communications, LLC | 512 |
| 96.110.242.0/23 | Comcast Cable Communications, LLC | 512 |
| 96.110.246.0/23 | Comcast Cable Communications, LLC | 512 |
| 96.113.90.0/23 | Comcast Cable Communications, LLC | 512 |
| 96.113.180.0/22 | Comcast Cable Communications, LLC | 1024 |
| 96.114.69.0/24 | Comcast Cable Communications, LLC | 256 |
| 98.245.0.0/16 | Comcast Cable Communications, Inc. (C01941713) | 65536 |
| 104.86.96.0/22 | Akamai Technologies, Inc. | 1024 |
| 107.2.128.0/17 | Comcast Cable Communications, Inc. (C02709291) | 32768 |
| 139.181.28.0/24 | Mentor Graphics Corporation | 256 |
| 157.240.131.0/24 | Facebook, Inc. | 256 |
| 157.240.136.0/24 | Facebook, Inc. | 256 |
| 162.151.15.0/24 | Comcast Cable Communications, LLC | 256 |
| 162.151.38.0/24 | Comcast Cable Communications, LLC | 256 |
| 162.151.50.0/23 | Comcast Cable Communications, LLC | 512 |
| 162.151.229.0/24 | Comcast Cable Communications, LLC | 256 |
| 172.244.1.0/24 | Comcast Cable Communications, LLC | 256 |
| 172.244.24.0/24 | Comcast Cable Communications, LLC | 256 |
| 172.244.49.0/24 | Comcast Cable Communications, LLC | 256 |
| 172.244.56.0/24 | Comcast Cable Communications, LLC | 256 |
| 172.244.73.0/24 | Comcast Cable Communications, LLC (C04632799) | 256 |
| 172.244.88.0/24 | Comcast Cable Communications, LLC (C04632799) | 256 |
| 172.244.105.0/24 | Comcast Cable Communications, LLC (C04632799) | 256 |
| 172.244.119.0/24 | Comcast Cable Communications, LLC (C04632799) | 256 |
| 172.244.135.0/24 | Comcast Cable Communications, LLC | 256 |
| 172.244.164.0/22 | Comcast Cable Communications, LLC (C06477971) | 1024 |
| 173.8.224.0/19 | Comcast Cable Communications, LLC | 8192 |
| 173.14.0.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 173.160.32.0/19 | Comcast Cable Communications, LLC (CCCS) | 8192 |
| 173.164.32.0/19 | Comcast Cable Communications, LLC | 8192 |
| 174.51.0.0/16 | Comcast Cable Communications, Inc. (C02205559) | 65536 |
| 184.25.204.0/24 | Akamai Technologies, Inc. | 256 |
| 184.25.206.0/23 | Akamai Technologies, Inc. | 512 |
| 184.85.192.0/20 | Akamai Technologies, Inc. | 4096 |
| 184.123.128.0/18 | Comcast Cable Communications, LLC | 16384 |
| 192.34.35.0/24 | MMJ Group | 256 |
| 192.92.99.0/24 | DMS Design | 256 |
| 192.153.23.0/24 | Pikes Peak Library District | 256 |
| 192.234.211.0/24 | Denver Seminary | 256 |
| 192.234.212.0/24 | Denver Seminary | 256 |
| 204.228.81.0/24 | County of Grand, East Grand School District #2 | 256 |
| AS | Description | Country/Region | IPv4 NUMs | IPv6 NUMs | IPv4 | IPv6 |
|---|---|---|---|---|---|---|
| AS53454 | FULLDUPLEX-DEN - Full Duplex Inc, US |
|
4,608 | 4,294,967,296 | IPv4  |
 |
| AS393776 | BSTG - Braxton Technologies, LLC, US |
|
768 | 268,435,456 | IPv4 |
|
| AS10844 | VASTNET - Vastnet Corp, US |
|
4,096 | 0 | IPv4 |
|
| AS23458 | DHH-AUTHORITY - Denver Health and Hospital Authority, US |
|
1,280 | 0 | IPv4 |
|
| AS36289 | VALORCHRISTIANHIGHSCHOOL-01 - Valor Christian High School, US |
|
256 | 0 | IPv4 |
|
| AS36551 | COMPASSION-INTL-GMC1 - Compassion International, Inc., US |
|
512 | 0 | IPv4 |
|
| AS393696 | NBB - New Belgium Brewing Company, US |
|
512 | 0 | IPv4 |
|
| AS396538 | NORTHSITE-DATA - Northsite Data, LLC, US |
|
512 | 0 | IPv4 |
|
| AS10441 | CH2M - CH2M HILL, US |
|
132,096 | 0 | IPv4 |
|
| AS30620 | CO-DATACENTER - APPLIED SYSTEMS, INC, US |
|
512 | 0 | IPv4 |
|
| AS31904 | NCWCD-80513 - Northern Water, US |
|
256 | 0 | IPv4 |
|
| AS32062 | ARMSTRONGWORLD-01 - Armstrong World Industries, Inc., US |
|
2,816 | 0 | IPv4 |
|
| AS32642 | NICMAN - NICMAN GROUP LLC, US |
|
256 | 0 | IPv4 |
|
| AS7832 | PCISYS - WW/Precision Communication, US |
|
14,336 | 0 | IPv4 |
|
| AS17294 | CARL-CORPORATION - CARL Corporation, US |
|
768 | 0 | IPv4 |
|
| AS22658 | EARTHNET - Earthnet, Inc., US |
|
12,288 | 0 | IPv4 |
|
| AS47090 | SCLHS-47090 - SCL Health Front Range Inc., US |
|
65,536 | 0 | IPv4 |
|
| AS393891 | NUTRIEN, CA |
|
1,280 | 983,040 | IPv4 |
|
| AS394841 | CBKASN - CoBank, US |
|
4,096 | 0 | IPv4 |
|
| AS397571 | PLEXUSSYSTEMS-DV - Plex Systems, Inc., US |
|
256 | 0 | IPv4 |
|
| AS18669 | BSEC-CA-1 - Bal Seal Engineering Co. Inc., US |
|
512 | 0 | IPv4 |
|
| AS19684 | VDC-ASN-01 - Viriton, LLC, US |
|
256 | 0 | IPv4 |
|
| AS393604 | YMCAROCKIES-ASN - YMCA of the Rockies, US |
|
768 | 0 | IPv4 |
|
| AS395980 | COMCAST-D - Comcast Cable Communications, LLC, US |
|
256 | 0 | IPv4 |
|
| AS397486 | COMMERCECITY-NET - City of Commerce City, US |
|
256 | 0 | IPv4 |
|
| AS15071 | BAX-BGP - BAX GLOBAL, US |
|
2,816 | 0 | IPv4 |
|
| AS394757 | ISS-164 - INTELLIGENT SOFTWARE SOLUTIONS, INC, US |
|
256 | 0 | IPv4 |
|
| AS17307 | VIRTELA-1 - Virtela Technology Services Incorporated, US |
|
49,152 | 0 | IPv4 |
|
| AS31902 | OTS - Open Technology Solutions, LLC, US |
|
1,088 | 0 | IPv4 |
|
| AS13736 | FACTUAL-DATA - Factual Data Corp, US |
|
1,024 | 65,536 | IPv4 |
|
| AS46311 | HDNETLLC-ASN01 - AXStv - HDNet - HDNet Movies, US |
|
256 | 0 | IPv4 |
|
| AS393643 | GLOBUSGVI - GlobusFamily, US |
|
512 | 0 | IPv4 |
|
| AS395581 | SIMSMM-US-INET-01 - Metal Management, Inc., US |
|
1,024 | 0 | IPv4 |
|
| AS23409 | AS-FOFCOS - Focus on the Family, US |
|
768 | 0 | IPv4 |
|
| AS40952 | MREL-3-ASN - Mid-continent Research for Education and Learning, US |
|
256 | 0 | IPv4 |
|
| AS395566 | OMNI - Orbital Media Networks, Inc., US |
|
2,048 | 0 | IPv4 |
|
| AS396344 | AURORA-PUBLIC-SCHOOLS-ASN - Aurora Public Schools, US |
|
768 | 0 | IPv4 |
|
| AS14934 | UNAVC-AS - UNAVCO, US |
|
512 | 0 | IPv4 |
|
| AS26399 | BROADMOOR - Broadmoor Hotel Inc, US |
|
1,024 | 0 | IPv4 |
|
| AS40284 | GSCBN - Glenwood Springs Community Broadband Network, US |
|
3,072 | 0 | IPv4 |
|
| AS53571 | PCC-CORP - PRECISION CASTPARTS CORP, US |
|
2,560 | 0 | IPv4 |
|
| AS14932 | ISC, US |
|
768 | 4,294,967,296 | IPv4 |
IPv6 |
| AS23290 | ELPASO-COUNTY-GOVERNMENT-COLORADO - El Paso County, US |
|
1,024 | 0 | IPv4 |
|
| AS30532 | 3310-617INTERNET - Healthcare Realty Trust, Inc., US |
|
768 | 0 | IPv4 |
|
| AS31079 | LGI - Liberty Global B.V., NL |
|
256 | 65,536 | IPv4 |
IPv6 |
| AS32535 | GAYLORD-ROCKIES-01BGPFO - Gaylord Rockies Resort & Convention Center, US |
|
1,024 | 0 | IPv4 |
|
| AS13524 | ARROW-ELECTRONICS - Arrow Electronics, US |
|
3,840 | 0 | IPv4 |
|
| AS30136 | AD12 - Adams 12, US |
|
8,192 | 0 | IPv4 |
|
| AS54384 | IREA-ASN - The Intermountain Rural Electric Association, US |
|
256 | 0 | IPv4 |
|
| AS63224 | MARKWEST-ENERGY-AS - MarkWest Energy Partners LP, US |
|
512 | 0 | IPv4 |
|
| AS22024 | SPLUNK-WEST - Splunk, US |
|
1,024 | 0 | IPv4 |
|
| AS53983 | CORKAT-DATA-SOLUTIONS - CorKat Data Solutions, LLC, US |
|
1,536 | 0 | IPv4 |
|
| AS54053 | REALOGY-DDC - Realogy Group LLC, US |
|
4,096 | 0 | IPv4 |
|
| AS395302 | ADAMS-COUNTY-COLORADO - Adams County, Colorado, US |
|
256 | 0 | IPv4 |
|
| AS11091 | SCHRYVER-MEDICAL - Schryver Medical Sales and Marketing, Inc., US |
|
256 | 0 | IPv4 |
|
| AS20381 | CABLELABS-LV - Cable Television Laboratories, Inc., US |
|
1,024 | 131,072 | IPv4 |
|
| AS54493 | ASPEN-VALLEY-HOSPITAL - Aspen Valley Hospital, US |
|
256 | 0 | IPv4 |
|
| AS26450 | CTDI-WC - CTDI, US |
|
256 | 16,777,216 | |
IPv6 |
| AS11200 | REGISU - Regis University, US |
|
512 | 0 | IPv4 |
|
| AS13906 | 3N-GLOBAL - Everbridge, Inc, US |
|
512 | 0 | IPv4 |
|
| AS19105 | FIRSTBANK, US |
|
1,280 | 0 | IPv4 |
|
| AS29711 | CENTURA-HEALTH - Centura Health Corporation, US |
|
512 | 0 | IPv4 |
|
| AS397024 | AMGNATIONAL - AMG National Trust Bank, US |
|
256 | 0 | IPv4 |
|
| IP Address | Domain NUMs | Domains |
|---|---|---|
| 23.24.128.154 | 2 | columbineprint.com |
| 23.24.128.245 | 1 | valpakden.com |
| 23.24.129.73 | 1 | remote.abscolorado.com |
| 23.24.129.91 | 2 | themediacenter.com |
| 23.24.129.92 | 28 | bryandehn.com |
| 23.24.129.217 | 1 | r2.ceavco.com |
| 23.24.130.141 | 2 | benderlang.com |
| 23.24.131.5 | 2 | tbgm.com |
| 23.24.131.45 | 7 | camera.paravion.com |
| 23.24.131.68 | 2 | madevteam.com |
ASNumber: 33652 ASName: CMCS ASHandle: AS33652 RegDate: 2005-02-16 Updated: 2016-08-31 Ref: https://rdap.arin.net/registry/autnum/33652 Comcast Cable Communications, LLC (CCCS) OrgAbuseHandle: NAPO-ARIN OrgAbuseName: Network Abuse and Policy Observance OrgAbusePhone: +1-888-565-4329 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/NAPO-ARIN OrgTechHandle: IC161-ARIN OrgTechName: Comcast Cable Communications Inc OrgTechPhone: +1-856-317-7200 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/IC161-ARIN