Report for 17161

Name

MMC - Marsh 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.

17161 MMC - Marsh Inc., US

  Adjacency:     5  Upstream:     5  Downstream:     0
  Upstream Adjacent AS list
    AS15830         EQUINIX, NL
    AS4826          VOCUS-BACKBONE-AS Vocus Connect International Backbone, AU
    AS7474          OPTUSCOM-AS01-AU SingTel Optus Pty Ltd, AU
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS701           UUNET - Verizon Business, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4712  AS17161        ORIGIN  Originate:      41984 /16.64  Transit:          0 /0.00  MMC - Marsh 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       %
 3971 AS17161       MMC - Marsh Inc., US                              39     20      7     26     13  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  167.245.3.0/24       4777 2516 3356 17161   
  167.245.8.0/21       4777 2516 3356 17161 + Announce - aggregate of 167.245.8.0/22 (4777 2516 3356 17161) and 167.245.12.0/22 (4777 2516 3356 17161)
  167.245.8.0/22       4777 2516 3356 17161 - Withdrawn - aggregated with 167.245.12.0/22 (4777 2516 3356 17161)
  167.245.12.0/22      4777 2516 3356 17161 - Withdrawn - aggregated with 167.245.8.0/22 (4777 2516 3356 17161)
  167.245.16.0/20      4777 2516 3356 17161 + Announce - aggregate of 167.245.16.0/21 (4777 2516 3356 17161) and 167.245.24.0/21 (4777 2516 3356 17161)
  167.245.16.0/22      4777 2516 3356 17161 - Withdrawn - aggregated with 167.245.20.0/22 (4777 2516 3356 17161)
  167.245.20.0/22      4777 2516 3356 17161 - Withdrawn - aggregated with 167.245.16.0/22 (4777 2516 3356 17161)
  167.245.24.0/22      4777 2516 3356 17161 - Withdrawn - aggregated with 167.245.28.0/22 (4777 2516 3356 17161)
  167.245.28.0/22      4777 2516 3356 17161 - Withdrawn - aggregated with 167.245.24.0/22 (4777 2516 3356 17161)
  167.245.32.0/21      4777 2516 3356 17161 + Announce - aggregate of 167.245.32.0/22 (4777 2516 3356 17161) and 167.245.36.0/22 (4777 2516 3356 17161)
  167.245.32.0/22      4777 2516 3356 17161 - Withdrawn - aggregated with 167.245.36.0/22 (4777 2516 3356 17161)
  167.245.36.0/22      4777 2516 3356 17161 - Withdrawn - aggregated with 167.245.32.0/22 (4777 2516 3356 17161)
  167.245.40.0/22      4777 2516 3356 17161   
  167.245.104.0/22     4777 2516 3356 17161   
  167.245.108.0/23     4777 2516 3356 17161   
  167.245.159.0/24     4777 2497 701 17161    
  167.245.160.0/19     4608 7575 2914 15830 17161   
  168.168.150.0/24     4777 2497 7473 7474 17161   
  168.168.200.0/24     4777 2497 7473 7474 17161   
  205.156.64.0/21      4608 1221 7474 17161 17161 17161 17161 17161   
  205.156.64.0/21      4608 4826 17161      + Announce - aggregate of 205.156.64.0/22 (4608 4826 17161) and 205.156.68.0/22 (4608 4826 17161)
  205.156.64.0/22      4608 4826 17161      - Withdrawn - aggregated with 205.156.68.0/22 (4608 4826 17161)
  205.156.68.0/22      4608 4826 17161      - Withdrawn - aggregated with 205.156.64.0/22 (4608 4826 17161)
  205.156.72.0/24      4777 2516 701 17161    
  205.156.84.0/24      4608 7575 2914 15830 17161   
  205.156.88.0/21      4608 4826 17161        
  205.156.96.0/21      4608 4826 17161      + Announce - aggregate of 205.156.96.0/22 (4608 4826 17161) and 205.156.100.0/22 (4608 4826 17161)
  205.156.96.0/22      4608 4826 17161      - Withdrawn - aggregated with 205.156.100.0/22 (4608 4826 17161)
  205.156.100.0/23     4608 4826 17161      - Withdrawn - aggregated with 205.156.102.0/23 (4608 4826 17161)
  205.156.102.0/23     4608 4826 17161      - Withdrawn - aggregated with 205.156.100.0/23 (4608 4826 17161)
  205.156.104.0/21     4608 1221 7474 17161 17161 17161 17161 17161   
  205.156.104.0/21     4608 4826 17161      + Announce - aggregate of 205.156.104.0/22 (4608 4826 17161) and 205.156.108.0/22 (4608 4826 17161)
  205.156.104.0/22     4608 4826 17161      - Withdrawn - aggregated with 205.156.108.0/22 (4608 4826 17161)
  205.156.108.0/22     4608 4826 17161      - Withdrawn - aggregated with 205.156.104.0/22 (4608 4826 17161)
  205.156.112.0/22     4608 4826 17161        
  205.156.117.0/24     4608 4826 17161        
  205.156.128.0/20     4777 2516 3356 17161 + Announce - aggregate of 205.156.128.0/21 (4777 2516 3356 17161) and 205.156.136.0/21 (4777 2516 3356 17161)
  205.156.128.0/22     4777 2516 3356 17161 - Withdrawn - aggregated with 205.156.132.0/22 (4777 2516 3356 17161)
  205.156.132.0/23     4777 2516 3356 17161 - Withdrawn - aggregated with 205.156.134.0/23 (4777 2516 3356 17161)
  205.156.134.0/24     4777 2516 3356 17161 - Withdrawn - aggregated with 205.156.135.0/24 (4777 2516 3356 17161)
  205.156.135.0/24     4777 2516 3356 17161 - Withdrawn - aggregated with 205.156.134.0/24 (4777 2516 3356 17161)
  205.156.136.0/21     4777 2516 3356 17161 - Withdrawn - aggregated with 205.156.128.0/21 (4777 2516 3356 17161)
  205.156.144.0/21     4777 2516 3356 17161   
  205.156.152.0/22     4777 2516 3356 17161   
  205.156.160.0/23     4777 2516 3356 17161   
  205.156.164.0/24     4777 2516 3356 17161   

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

AS17161   39 More Specifics   39 Total Advertisements   MMC - Marsh Inc., US
    167.245.3.0/24                167.245.0.0/16
    167.245.8.0/22                167.245.0.0/16
    167.245.12.0/22               167.245.0.0/16
    167.245.16.0/22               167.245.0.0/16
    167.245.20.0/22               167.245.0.0/16
    167.245.24.0/22               167.245.0.0/16
    167.245.28.0/22               167.245.0.0/16
    167.245.32.0/22               167.245.0.0/16
    167.245.36.0/22               167.245.0.0/16
    167.245.40.0/22               167.245.0.0/16
    167.245.104.0/22              167.245.0.0/16
    167.245.108.0/23              167.245.0.0/16
    167.245.159.0/24              167.245.0.0/16
    167.245.160.0/19              167.245.0.0/16
    168.168.150.0/24              168.168.128.0/17
    168.168.200.0/24              168.168.128.0/17
    205.156.64.0/21               205.156.64.0/18
    205.156.64.0/22               205.156.64.0/18
    205.156.68.0/22               205.156.64.0/18
    205.156.72.0/24               205.156.64.0/18
    205.156.84.0/24               205.156.64.0/18
    205.156.88.0/21               205.156.64.0/18
    205.156.96.0/22               205.156.64.0/18
    205.156.100.0/23              205.156.64.0/18
    205.156.102.0/23              205.156.64.0/18
    205.156.104.0/21              205.156.64.0/18
    205.156.104.0/22              205.156.64.0/18
    205.156.108.0/22              205.156.64.0/18
    205.156.112.0/22              205.156.64.0/18
    205.156.117.0/24              205.156.64.0/18
    205.156.128.0/22              205.156.128.0/18
    205.156.132.0/23              205.156.128.0/18
    205.156.134.0/24              205.156.128.0/18
    205.156.135.0/24              205.156.128.0/18
    205.156.136.0/21              205.156.128.0/18
    205.156.144.0/21              205.156.128.0/18
    205.156.152.0/22              205.156.128.0/18
    205.156.160.0/23              205.156.128.0/18
    205.156.164.0/24              205.156.128.0/18

Whois Entry

whois: 402332

IANA has recorded AS17161 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS17161\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:       17161
             ASName:         MMC
             ASHandle:       AS17161
             RegDate:        2000-08-01
             Updated:        2022-12-02
             Ref:            https://rdap.arin.net/registry/autnum/17161
             
             
             OrgName:        Marsh Inc.
             OrgId:          MARSHI-1
             Address:        1166 Avenue of the Americas
             City:           New York
             StateProv:      NY
             PostalCode:     10036
             Country:        US
             RegDate:        2000-08-01
             Updated:        2022-06-14
             Ref:            https://rdap.arin.net/registry/entity/MARSHI-1
             
             
             OrgTechHandle: PMC288-ARIN
             OrgTechName:   McGlynn, Patrick 
             OrgTechPhone:  +1-201-284-3021 
             OrgTechEmail:  patrick.mcglynn@marsh.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/PMC288-ARIN
             
             OrgDNSHandle: VIHLI-ARIN
             OrgDNSName:   Vihlidal, Brian 
             OrgDNSPhone:  +1-502-561-4600 
             OrgDNSEmail:  brian.vihlidal@mmc.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/VIHLI-ARIN
             
             OrgAbuseHandle: MMCAB-ARIN
             OrgAbuseName:   MMC-Abuse
             OrgAbusePhone:  +1-502-561-4600 
             OrgAbuseEmail:  abuse@mmc.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MMCAB-ARIN
             
             OrgTechHandle: VIHLI-ARIN
             OrgTechName:   Vihlidal, Brian 
             OrgTechPhone:  +1-502-561-4600 
             OrgTechEmail:  brian.vihlidal@mmc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/VIHLI-ARIN
             
             RTechHandle: PMC288-ARIN
             RTechName:   McGlynn, Patrick 
             RTechPhone:  +1-201-284-3021 
             RTechEmail:  patrick.mcglynn@marsh.com
             RTechRef:    https://rdap.arin.net/registry/entity/PMC288-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.
             #