Report for 17035

Name

NBCUNI-17035 - NBCUniversal, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

17035 NBCUNI-17035 - NBCUniversal, US

  Adjacency:    16  Upstream:    15  Downstream:     1
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS394437        PSLIGHTWAVE - PS Lightwave, US
    AS3257          GTT-BACKBONE GTT, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS701           UUNET - Verizon Business, US
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US
    AS20214         COMCAST-20214 - Comcast Cable Communications, LLC, US
    AS33287         COMCAST-33287 - Comcast Cable Communications, LLC, US
    AS33491         COMCAST-33491 - Comcast Cable Communications, LLC, US
    AS33651         CMCS - Comcast Cable Communications, LLC, US
    AS33657         CMCS - Comcast Cable Communications, LLC, US
    AS17060         E-NETWORKS - NBCUniversal, US
    AS33661         CMCS - Comcast Cable Communications, LLC, US
    AS33662         CMCS - Comcast Cable Communications, LLC, US
    AS7015          COMCAST-7015 - Comcast Cable Communications, LLC, US
  Downstream Adjacent AS list
    AS17060         E-NETWORKS - NBCUniversal, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
6245  AS17035        ORG+TRN Originate:      24064 /17.45  Transit:       1024 /22.00 NBCUNI-17035 - NBCUniversal, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 8532 AS17035       NBCUNI-17035 - NBCUniversal, US                   33      8      3     28      5  15.15%


  Prefix               AS Path                              Aggregation Suggestion
  8.11.200.0/24        4777 2516 3356 17035   
  50.149.85.0/24       4777 2516 7922 33491 17035   
  50.172.163.0/24      4777 2516 1299 394437 17035   
  50.175.130.0/24      4777 2516 7922 33651 17035   
  50.200.194.0/24      4777 2516 3356 17035   
  50.207.32.0/21       4777 2516 3257 17035   
  50.218.3.0/24        4777 2516 7922 33657 17035   
  50.218.20.0/24       4777 2516 7922 7015 17035   
  50.218.36.0/24       4777 2497 3356 17035   
  50.220.223.0/24      4777 2516 7922 20214 17035   
  50.221.27.0/24       4777 2516 7922 33287 17035   
  50.221.162.0/23      4777 2516 3356 17035   
  50.225.179.0/24      4777 2516 7922 33662 17035   
  50.227.232.0/24      4777 2516 7922 20214 17035   
  50.228.144.0/20      4777 2516 3257 17035   
  50.229.129.0/24      4777 2497 3356 17035   
  50.230.144.0/20      4777 2516 7922 17035   
  70.39.44.0/22        4777 2516 3257 17035 + Announce - aggregate of 70.39.44.0/23 (4777 2516 3257 17035) and 70.39.46.0/23 (4777 2516 3257 17035)
  70.39.44.0/24        4777 2516 3257 17035 - Withdrawn - aggregated with 70.39.45.0/24 (4777 2516 3257 17035)
  70.39.45.0/24        4777 2516 3257 17035 - Withdrawn - aggregated with 70.39.44.0/24 (4777 2516 3257 17035)
  70.39.46.0/24        4777 2516 3257 17035 - Withdrawn - aggregated with 70.39.47.0/24 (4777 2516 3257 17035)
  70.39.47.0/24        4777 2516 3257 17035 - Withdrawn - aggregated with 70.39.46.0/24 (4777 2516 3257 17035)
  70.39.58.0/23        4777 2516 7922 33661 17035 17060 17035 17035 17035 17035 17035 17035 17035 17035 17035 17035 + Announce - aggregate of 70.39.58.0/24 (4777 2516 7922 33661 17035 17060 17035 17035 17035 17035 17035 17035 17035 17035 17035 17035) and 70.39.59.0/24 (4777 2516 7922 33661 17035 17060 17035 17035 17035 17035 17035 17035 17035 17035 17035 17035)
  70.39.58.0/24        4777 2516 7922 33661 17035 17060 17035 17035 17035 17035 17035 17035 17035 17035 17035 17035 - Withdrawn - aggregated with 70.39.59.0/24 (4777 2516 7922 33661 17035 17060 17035 17035 17035 17035 17035 17035 17035 17035 17035 17035)
  70.39.59.0/24        4777 2516 7922 33661 17035 17060 17035 17035 17035 17035 17035 17035 17035 17035 17035 17035 - Withdrawn - aggregated with 70.39.58.0/24 (4777 2516 7922 33661 17035 17060 17035 17035 17035 17035 17035 17035 17035 17035 17035 17035)
  173.213.208.0/24     4777 2516 7922 20214 17035   
  192.251.69.0/24      4777 2516 7922 17035   
  204.237.248.0/23     4777 2516 3257 17035   
  209.23.192.0/22      4777 2516 3356 17035   
  209.116.149.0/24     4777 2516 701 17035 17035 17035 17035 17035 17035 17035   
  216.4.176.0/22       4777 2516 701 17035 17035 17035 17035 17035 17035 17035   
  216.4.176.0/22       4777 2516 3257 17035 + Announce - aggregate of 216.4.176.0/23 (4777 2516 3257 17035) and 216.4.178.0/23 (4777 2516 3257 17035)
  216.4.176.0/23       4777 2516 3257 17035 - Withdrawn - aggregated with 216.4.178.0/23 (4777 2516 3257 17035)
  216.4.178.0/23       4777 2516 3257 17035 - Withdrawn - aggregated with 216.4.176.0/23 (4777 2516 3257 17035)
  216.178.96.0/21      4777 2516 3257 17035   
  216.178.104.0/21     4777 2516 7922 17035   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS17035   32 More Specifics   33 Total Advertisements   NBCUNI-17035 - NBCUniversal, US
    8.11.200.0/24                 8.10.0.0/15
    50.149.85.0/24                50.128.0.0/9
    50.172.163.0/24               50.128.0.0/9
    50.175.130.0/24               50.128.0.0/9
    50.200.194.0/24               50.128.0.0/9
    50.207.32.0/21                50.128.0.0/9
    50.218.3.0/24                 50.128.0.0/9
    50.218.20.0/24                50.128.0.0/9
    50.218.36.0/24                50.128.0.0/9
    50.220.223.0/24               50.128.0.0/9
    50.221.27.0/24                50.128.0.0/9
    50.221.162.0/23               50.128.0.0/9
    50.225.179.0/24               50.128.0.0/9
    50.227.232.0/24               50.128.0.0/9
    50.228.144.0/20               50.128.0.0/9
    50.229.129.0/24               50.128.0.0/9
    50.230.144.0/20               50.128.0.0/9
    70.39.44.0/24                 70.39.32.0/19
    70.39.45.0/24                 70.39.32.0/19
    70.39.46.0/24                 70.39.32.0/19
    70.39.47.0/24                 70.39.32.0/19
    70.39.58.0/24                 70.39.32.0/19
    70.39.59.0/24                 70.39.32.0/19
    173.213.208.0/24              173.213.208.0/20
    204.237.248.0/23              204.237.128.0/17
    209.23.192.0/22               209.23.192.0/18
    209.116.149.0/24              209.116.0.0/14
    216.4.176.0/22                216.4.0.0/15
    216.4.176.0/23                216.4.0.0/15
    216.4.178.0/23                216.4.0.0/15
    216.178.96.0/21               216.178.96.0/20
    216.178.104.0/21              216.178.96.0/20

Whois Entry

whois: 402332

IANA has recorded AS17035 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS17035\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       17035
             ASName:         NBCUNI-17035
             ASHandle:       AS17035
             RegDate:        2000-07-17
             Updated:        2019-11-06
             Ref:            https://rdap.arin.net/registry/autnum/17035
             
             
             OrgName:        NBCUniversal
             OrgId:          NBCUN-5
             Address:        30 ROCKEFELLER CENTER
             City:           NEW YORK
             StateProv:      NY
             PostalCode:     10112
             Country:        US
             RegDate:        2006-12-11
             Updated:        2025-01-21
             Ref:            https://rdap.arin.net/registry/entity/NBCUN-5
             
             
             OrgNOCHandle: NBCUO-ARIN
             OrgNOCName:   NBCUO-ARIN
             OrgNOCPhone:  +1-818-777-9673 
             OrgNOCEmail:  nbcu_arinops@nbcuni.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NBCUO-ARIN
             
             OrgTechHandle: NBCUT-ARIN
             OrgTechName:   NBCU Technical
             OrgTechPhone:  +1-818-777-9673 
             OrgTechEmail:  nbcu_arintech@nbcuni.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NBCUT-ARIN
             
             OrgAbuseHandle: INFOS6-ARIN
             OrgAbuseName:   InfoSec
             OrgAbusePhone:  +1-212-664-4444 
             OrgAbuseEmail:  sralerts@nbcuni.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFOS6-ARIN
             
             RTechHandle: NBCUT-ARIN
             RTechName:   NBCU Technical
             RTechPhone:  +1-818-777-9673 
             RTechEmail:  nbcu_arintech@nbcuni.com
             RTechRef:    https://rdap.arin.net/registry/entity/NBCUT-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #