Report for 398808

Name

ACS-PUBLIC-01 - Arch Capital Services LLC, 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 AS6447) 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.

398808 ACS-PUBLIC-01, US

  Adjacency:     6  Upstream:     6  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887, US
    AS4637          ASN-TELSTRA-GLOBAL Telstra Global, HK
    AS174           COGENT-174, US
    AS3257          GTT-BACKBONE GTT, US
    AS3356          LEVEL3, US
    AS7018          ATT-INTERNET4, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13418 AS398808       ORIGIN  Originate:       6656 /19.30  Transit:          0 /0.00  ACS-PUBLIC-01, 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       %
12023 AS398808      ACS-PUBLIC-01, US                                 25      7      3     21      4  16.00%


  Prefix               AS Path                              Aggregation Suggestion
  8.45.114.0/24        6939 3356 398808       
  8.245.30.0/24        6939 3356 398808       
  12.145.65.0/24       7018 398808            
  38.108.191.0/24      3257 174 398808        
  91.196.5.0/24        3257 3356 398808       
  149.5.34.0/24        3257 174 398808        
  154.59.105.0/24      3257 174 398808        
  192.81.191.0/24      7018 398808            
  199.254.65.0/24      3257 3356 398808       
  199.254.66.0/23      2914 3356 398808     + Announce - aggregate of 199.254.66.0/24 (2914 3356 398808) and 199.254.67.0/24 (2914 3356 398808)
  199.254.66.0/24      2914 3356 398808     - Withdrawn - aggregated with 199.254.67.0/24 (2914 3356 398808)
  199.254.67.0/24      2914 3356 398808     - Withdrawn - aggregated with 199.254.66.0/24 (2914 3356 398808)
  199.254.68.0/24      3257 398808            
  199.254.72.0/22      3257 3356 398808     + Announce - aggregate of 199.254.72.0/23 (3257 3356 398808) and 199.254.74.0/23 (3257 3356 398808)
  199.254.72.0/24      3257 3356 398808     - Withdrawn - aggregated with 199.254.73.0/24 (3257 3356 398808)
  199.254.73.0/24      3257 3356 398808     - Withdrawn - aggregated with 199.254.72.0/24 (3257 3356 398808)
  199.254.74.0/23      3257 3356 398808     - Withdrawn - aggregated with 199.254.72.0/23 (3257 3356 398808)
  199.254.76.0/24      3257 3356 398808       
  199.254.77.0/24      6939 3356 398808       
  199.254.78.0/24      6939 4637 398808       
  199.254.79.0/24      3257 398808            
  199.254.80.0/24      3257 3356 398808       
  199.254.87.0/24      7018 398808            
  199.254.92.0/23      7018 398808          + Announce - aggregate of 199.254.92.0/24 (7018 398808) and 199.254.93.0/24 (7018 398808)
  199.254.92.0/24      7018 398808          - Withdrawn - aggregated with 199.254.93.0/24 (7018 398808)
  199.254.93.0/24      7018 398808          - Withdrawn - aggregated with 199.254.92.0/24 (7018 398808)
  199.254.94.0/24      7018 398808            
  205.166.172.0/24     7018 398808            

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

AS398808   22 More Specifics   25 Total Advertisements   ACS-PUBLIC-01, US
    8.21.17.0/24                  8.16.0.0/12
    8.45.114.0/24                 8.32.0.0/11
    12.145.65.0/24                12.0.0.0/8
    38.108.191.0/24               38.0.0.0/8
    38.134.111.0/24               38.0.0.0/8
    149.5.34.0/24                 149.5.0.0/16
    154.59.105.0/24               154.59.0.0/16
    199.254.65.0/24               199.254.64.0/21
    199.254.66.0/24               199.254.64.0/21
    199.254.67.0/24               199.254.64.0/21
    199.254.72.0/23               199.254.72.0/21
    199.254.74.0/23               199.254.72.0/21
    199.254.76.0/24               199.254.72.0/21
    199.254.77.0/24               199.254.72.0/21
    199.254.78.0/24               199.254.72.0/21
    199.254.79.0/24               199.254.72.0/21
    199.254.87.0/24               199.254.80.0/20
    199.254.88.0/24               199.254.80.0/20
    199.254.92.0/24               199.254.80.0/20
    199.254.93.0/24               199.254.80.0/20
    199.254.94.0/24               199.254.80.0/20
    209.146.35.0/24               209.146.0.0/17
    199.254.68.0/24               199.254.64.0/21

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

    + 8.21.17.0/24                Announced
    + 38.134.111.0/24             Announced
    + 199.254.72.0/23             Announced
    + 199.254.88.0/24             Announced
    - 199.254.68.0/24             Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS398808 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS398808\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:       398808
             ASName:         ACS-PUBLIC-01
             ASHandle:       AS398808
             RegDate:        2020-09-03
             Updated:        2020-09-03
             Ref:            https://rdap.arin.net/registry/autnum/398808
             
             
             OrgName:        Arch Capital Services LLC
             OrgId:          ACS-1141
             Address:        360 Hamilton Ave, Suite 600
             City:           White Plains
             StateProv:      NY
             PostalCode:     10601
             Country:        US
             RegDate:        2020-08-28
             Updated:        2024-08-22
             Ref:            https://rdap.arin.net/registry/entity/ACS-1141
             
             
             OrgTechHandle: AEA21-ARIN
             OrgTechName:   Arch Enterprise Architecture  
             OrgTechPhone:  +1-201-743-4000 
             OrgTechEmail:  AMIS-PlatformNetworkServices@archgroup.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/AEA21-ARIN
             
             OrgAbuseHandle: AEA21-ARIN
             OrgAbuseName:   Arch Enterprise Architecture  
             OrgAbusePhone:  +1-201-743-4000 
             OrgAbuseEmail:  AMIS-PlatformNetworkServices@archgroup.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/AEA21-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.
             #