Report for 19750

Name

AS-CRITEO - Criteo Corp., 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 AS4637) 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.

19750 CTI-TX - C2C Fiber, Inc.

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS3356    LEVEL3 Level 3 Communications
    AS3549    GBLX Global Crossing Ltd.
  Downstream Adjacent AS list
    AS26762   LEXICON - Lexicon Genetics Incorporated

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4338  AS19750  ORG+TRN Originate:      24064 /17.45  Transit:        256 /24.00 CTI-TX - C2C Fiber, Inc.

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       %
  660 AS19750 CTI-TX - C2C Fiber, Inc.                     30     23      2      9     21  70.00%


  Prefix               AS Path                              Aggregation Suggestion
  64.72.96.0/20        4637 3549 19750        
  64.72.96.0/24        4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.72.99.0/24        4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.72.102.0/24       4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.72.104.0/24       4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.72.105.0/24       4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.72.106.0/24       4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.72.107.0/24       4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.72.109.0/24       4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.72.110.0/24       4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.72.111.0/24       4637 3549 19750      - Withdrawn - matching aggregate 64.72.96.0/20 4637 3549 19750
  64.194.225.0/24      4637 3356 19750        
  65.77.154.0/23       4637 3356 19750      + Announce - aggregate of 65.77.154.0/24 (4637 3356 19750) and 65.77.155.0/24 (4637 3356 19750)
  65.77.154.0/24       4637 3356 19750      - Withdrawn - aggregated with 65.77.155.0/24 (4637 3356 19750)
  65.77.155.0/24       4637 3356 19750      - Withdrawn - aggregated with 65.77.154.0/24 (4637 3356 19750)
  65.77.156.0/24       4637 3356 19750        
  65.77.242.0/24       4637 3356 19750        
  69.147.192.0/19      4637 3549 19750        
  69.147.197.0/24      4637 3356 19750        
  69.147.208.0/20      4637 3356 19750        
  69.147.208.0/22      4637 3356 19750      - Withdrawn - matching aggregate 69.147.208.0/20 4637 3356 19750
  69.147.209.0/24      4637 3356 19750      - Withdrawn - matching aggregate 69.147.208.0/20 4637 3356 19750
  69.147.211.0/24      4637 3356 19750      - Withdrawn - matching aggregate 69.147.208.0/20 4637 3356 19750
  69.147.212.0/24      4637 3356 19750      - Withdrawn - matching aggregate 69.147.208.0/20 4637 3356 19750
  69.147.213.0/24      4637 3356 19750      - Withdrawn - matching aggregate 69.147.208.0/20 4637 3356 19750
  69.147.214.0/24      4637 3356 19750      - Withdrawn - matching aggregate 69.147.208.0/20 4637 3356 19750
  69.147.215.0/24      4637 3356 19750      - Withdrawn - matching aggregate 69.147.208.0/20 4637 3356 19750
  69.147.222.0/24      4637 3356 19750      - Withdrawn - matching aggregate 69.147.208.0/20 4637 3356 19750
  69.147.223.0/24      4637 3356 19750      - Withdrawn - matching aggregate 69.147.208.0/20 4637 3356 19750
  209.222.30.0/23      4637 3549 19750      + Announce - aggregate of 209.222.30.0/24 (4637 3549 19750) and 209.222.31.0/24 (4637 3549 19750)
  209.222.30.0/24      4637 3549 19750      - Withdrawn - aggregated with 209.222.31.0/24 (4637 3549 19750)
  209.222.31.0/24      4637 3549 19750      - Withdrawn - aggregated with 209.222.30.0/24 (4637 3549 19750)

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

AS19750   23 More Specifics   28 Total Advertisements   CTI-TX - C2C Fiber, Inc.
    64.72.98.0/24                 64.72.96.0/20
    64.72.99.0/24                 64.72.96.0/20
    64.72.100.0/24                64.72.96.0/20
    64.72.101.0/24                64.72.96.0/20
    64.72.105.0/24                64.72.96.0/20
    64.72.111.0/24                64.72.96.0/20
    64.194.225.0/24               64.192.0.0/14
    65.77.154.0/24                65.77.0.0/16
    65.77.155.0/24                65.77.0.0/16
    65.77.156.0/24                65.77.0.0/16
    65.77.242.0/24                65.77.0.0/16
    65.77.244.0/24                65.77.0.0/16
    69.147.194.0/24               69.147.192.0/19
    69.147.197.0/24               69.147.192.0/19
    69.147.209.0/24               69.147.192.0/19
    69.147.211.0/24               69.147.192.0/19
    69.147.212.0/24               69.147.192.0/19
    69.147.213.0/24               69.147.192.0/19
    69.147.214.0/24               69.147.192.0/19
    69.147.215.0/24               69.147.192.0/19
    69.147.222.0/24               69.147.192.0/19
    69.147.223.0/24               69.147.192.0/19
    209.222.30.0/24               209.222.0.0/19

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 192.245.87.0/24             Announced
    + 207.181.128.0/18            Announced
    + 209.222.0.0/19              Announced

Whois Entry

whois: 402332

IANA has recorded AS19750 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19750\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:       19750
             ASName:         AS-CRITEO
             ASHandle:       AS19750
             RegDate:        2009-11-05
             Updated:        2023-04-20
             Ref:            https://rdap.arin.net/registry/autnum/19750
             
             
             OrgName:        Criteo Corp.
             OrgId:          CRITE-6
             Address:        411 High Street
             City:           Palo Alto
             StateProv:      CA
             PostalCode:     94301
             Country:        US
             RegDate:        2009-10-05
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/CRITE-6
             
             
             OrgDNSHandle: CRITE-ARIN
             OrgDNSName:   Criteo Engineering
             OrgDNSPhone:  +1-650-322-6260 
             OrgDNSEmail:  arin@criteo.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/CRITE-ARIN
             
             OrgTechHandle: CRITE-ARIN
             OrgTechName:   Criteo Engineering
             OrgTechPhone:  +1-650-322-6260 
             OrgTechEmail:  arin@criteo.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CRITE-ARIN
             
             OrgNOCHandle: CRITE-ARIN
             OrgNOCName:   Criteo Engineering
             OrgNOCPhone:  +1-650-322-6260 
             OrgNOCEmail:  arin@criteo.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/CRITE-ARIN
             
             OrgAbuseHandle: CRITE-ARIN
             OrgAbuseName:   Criteo Engineering
             OrgAbusePhone:  +1-650-322-6260 
             OrgAbuseEmail:  arin@criteo.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CRITE-ARIN
             
             OrgRoutingHandle: CRITE-ARIN
             OrgRoutingName:   Criteo Engineering
             OrgRoutingPhone:  +1-650-322-6260 
             OrgRoutingEmail:  arin@criteo.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/CRITE-ARIN
             
             RTechHandle: CRITE-ARIN
             RTechName:   Criteo Engineering
             RTechPhone:  +1-650-322-6260 
             RTechEmail:  arin@criteo.com
             RTechRef:    https://rdap.arin.net/registry/entity/CRITE-ARIN
             
             RAbuseHandle: CRITE-ARIN
             RAbuseName:   Criteo Engineering
             RAbusePhone:  +1-650-322-6260 
             RAbuseEmail:  arin@criteo.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/CRITE-ARIN
             
             RNOCHandle: CRITE-ARIN
             RNOCName:   Criteo Engineering
             RNOCPhone:  +1-650-322-6260 
             RNOCEmail:  arin@criteo.com
             RNOCRef:    https://rdap.arin.net/registry/entity/CRITE-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.
             #