Report for 29851

Name

WARBURGPINCUS - E.M. Warburg, Pincus & Co. 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 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.

29851 WARBURGPINCUS - E.M. Warburg, Pincus & Co. Inc.

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6517    YIPESCOM - Yipes Communications, Inc.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13672 AS29851  ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  WARBURGPINCUS - E.M. Warburg, Pincus & Co. 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       %
 2728 AS29851 WARBURGPINCUS - E.M. Warburg, Pincus & C      6      6      2      2      4  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  198.179.162.0/23     4637 3549 6517 29851 + Announce - aggregate of 198.179.162.0/24 (4637 3549 6517 29851) and 198.179.163.0/24 (4637 3549 6517 29851)
  198.179.162.0/24     4637 3549 6517 29851 - Withdrawn - aggregated with 198.179.163.0/24 (4637 3549 6517 29851)
  198.179.163.0/24     4637 3549 6517 29851 - Withdrawn - aggregated with 198.179.162.0/24 (4637 3549 6517 29851)
  198.179.164.0/22     4637 3549 6517 29851 + Announce - aggregate of 198.179.164.0/23 (4637 3549 6517 29851) and 198.179.166.0/23 (4637 3549 6517 29851)
  198.179.164.0/24     4637 3549 6517 29851 - Withdrawn - aggregated with 198.179.165.0/24 (4637 3549 6517 29851)
  198.179.165.0/24     4637 3549 6517 29851 - Withdrawn - aggregated with 198.179.164.0/24 (4637 3549 6517 29851)
  198.179.166.0/24     4637 3549 6517 29851 - Withdrawn - aggregated with 198.179.167.0/24 (4637 3549 6517 29851)
  198.179.167.0/24     4637 3549 6517 29851 - Withdrawn - aggregated with 198.179.166.0/24 (4637 3549 6517 29851)

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

AS29851   6 More Specifics   6 Total Advertisements   WARBURGPINCUS - E.M. Warburg, Pincus & Co. Inc.
    198.179.162.0/24              198.179.162.0/23
    198.179.163.0/24              198.179.162.0/23
    198.179.164.0/24              198.179.164.0/22
    198.179.165.0/24              198.179.164.0/22
    198.179.166.0/24              198.179.164.0/22
    198.179.167.0/24              198.179.164.0/22

Whois Entry

whois: 402603

IANA has recorded AS29851 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS29851\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:       29851
             ASName:         WARBURGPINCUS
             ASHandle:       AS29851
             RegDate:        2003-05-19
             Updated:        2023-01-25
             Ref:            https://rdap.arin.net/registry/autnum/29851
             
             
             OrgName:        E.M. Warburg, Pincus & Co. Inc.
             OrgId:          EWPC
             Address:        450 Lexington Avenue
             City:           New York
             StateProv:      NY
             PostalCode:     10017
             Country:        US
             RegDate:        1993-10-21
             Updated:        2023-01-25
             Ref:            https://rdap.arin.net/registry/entity/EWPC
             
             
             OrgTechHandle: GRAP1-ARIN
             OrgTechName:   Gra, P 
             OrgTechPhone:  +1-212-878-0600 
             OrgTechEmail:  patrick.grady@warburgpincus.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/GRAP1-ARIN
             
             OrgAbuseHandle: GRAP1-ARIN
             OrgAbuseName:   Gra, P 
             OrgAbusePhone:  +1-212-878-0600 
             OrgAbuseEmail:  patrick.grady@warburgpincus.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/GRAP1-ARIN
             
             RTechHandle: GRAP1-ARIN
             RTechName:   Gra, P 
             RTechPhone:  +1-212-878-0600 
             RTechEmail:  patrick.grady@warburgpincus.com
             RTechRef:    https://rdap.arin.net/registry/entity/GRAP1-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.
             #