Report for 18742

Name

ON24-SAC - ON24, Inc., 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.

18742 ON24-SAC - ON24, Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS6461          ZAYO-6461 - Zayo Bandwidth, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30387 AS18742        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  ON24-SAC - ON24, Inc., 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       %
21445 AS18742       ON24-SAC - ON24, Inc., US                          3      1      0      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  199.83.44.0/22       4777 2497 3356 18742 18742 18742   
  199.83.46.0/24       4777 2497 6461 18742 18742 18742   
  199.83.47.0/24       4777 2497 3356 18742 18742 18742 - Withdrawn - matching aggregate 199.83.44.0/22 4777 2497 3356 18742 18742 18742

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

AS18742   2 More Specifics   3 Total Advertisements   ON24-SAC - ON24, Inc., US
    199.83.46.0/24                199.83.44.0/22
    199.83.47.0/24                199.83.44.0/22

Whois Entry

whois: 402332

IANA has recorded AS18742 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18742\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:       18742
             ASName:         ON24-SAC
             ASHandle:       AS18742
             RegDate:        2007-08-02
             Updated:        2013-02-08
             Ref:            https://rdap.arin.net/registry/autnum/18742
             
             
             OrgName:        ON24, Inc.
             OrgId:          ON24I-2
             Address:        795 Folsom Street
             Address:        3rd Fl
             City:           San Francisco
             StateProv:      CA
             PostalCode:     94103
             Country:        US
             RegDate:        2007-05-15
             Updated:        2016-12-20
             Ref:            https://rdap.arin.net/registry/entity/ON24I-2
             
             
             OrgAbuseHandle: TECHS61-ARIN
             OrgAbuseName:   Tech Support
             OrgAbusePhone:  +1-415-369-3859 
             OrgAbuseEmail:  sysmgr@on24.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TECHS61-ARIN
             
             OrgNOCHandle: TECHS61-ARIN
             OrgNOCName:   Tech Support
             OrgNOCPhone:  +1-415-369-3859 
             OrgNOCEmail:  sysmgr@on24.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/TECHS61-ARIN
             
             OrgTechHandle: TECHS61-ARIN
             OrgTechName:   Tech Support
             OrgTechPhone:  +1-415-369-3859 
             OrgTechEmail:  sysmgr@on24.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TECHS61-ARIN
             
             RAbuseHandle: TECHS61-ARIN
             RAbuseName:   Tech Support
             RAbusePhone:  +1-415-369-3859 
             RAbuseEmail:  sysmgr@on24.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/TECHS61-ARIN
             
             RNOCHandle: TECHS61-ARIN
             RNOCName:   Tech Support
             RNOCPhone:  +1-415-369-3859 
             RNOCEmail:  sysmgr@on24.com
             RNOCRef:    https://rdap.arin.net/registry/entity/TECHS61-ARIN
             
             RTechHandle: TECHS61-ARIN
             RTechName:   Tech Support
             RTechPhone:  +1-415-369-3859 
             RTechEmail:  sysmgr@on24.com
             RTechRef:    https://rdap.arin.net/registry/entity/TECHS61-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.
             #