Report for 33551

Name

SISTERS-OF-MERCY-HEALTH-SYSTEM - Sisters of Mercy Health System, 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.

33551 SISTERS-OF-MERCY-HEALTH-SYSTEM - Sisters of Mercy Health System, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS701           UUNET - Verizon Business, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11821 AS33551        ORIGIN  Originate:       8192 /19.00  Transit:          0 /0.00  SISTERS-OF-MERCY-HEALTH-SYSTEM - Sisters of Mercy Health System, 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       %
12707 AS33551       SISTERS-OF-MERCY-HEALTH-SYSTEM - Sisters of M     15      6      3     12      3  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  170.29.0.0/21        4777 2516 701 33551    
  170.29.0.0/24        4777 2497 7018 33551   
  170.29.9.0/24        4777 2516 701 33551    
  170.29.10.0/23       4777 2516 701 33551  + Announce - aggregate of 170.29.10.0/24 (4777 2516 701 33551) and 170.29.11.0/24 (4777 2516 701 33551)
  170.29.10.0/24       4777 2516 701 33551  - Withdrawn - aggregated with 170.29.11.0/24 (4777 2516 701 33551)
  170.29.11.0/24       4777 2516 701 33551  - Withdrawn - aggregated with 170.29.10.0/24 (4777 2516 701 33551)
  170.29.12.0/24       4777 2516 701 33551    
  170.29.30.0/24       4777 2497 7018 33551   
  170.29.32.0/21       4777 2516 701 33551    
  170.29.64.0/23       4777 2497 7018 33551 + Announce - aggregate of 170.29.64.0/24 (4777 2497 7018 33551) and 170.29.65.0/24 (4777 2497 7018 33551)
  170.29.64.0/24       4777 2497 7018 33551 - Withdrawn - aggregated with 170.29.65.0/24 (4777 2497 7018 33551)
  170.29.65.0/24       4777 2497 7018 33551 - Withdrawn - aggregated with 170.29.64.0/24 (4777 2497 7018 33551)
  170.29.66.0/24       4777 2497 7018 33551   
  170.29.68.0/22       4777 2497 7018 33551   
  170.29.72.0/23       4777 2497 7018 33551 + Announce - aggregate of 170.29.72.0/24 (4777 2497 7018 33551) and 170.29.73.0/24 (4777 2497 7018 33551)
  170.29.72.0/24       4777 2497 7018 33551 - Withdrawn - aggregated with 170.29.73.0/24 (4777 2497 7018 33551)
  170.29.73.0/24       4777 2497 7018 33551 - Withdrawn - aggregated with 170.29.72.0/24 (4777 2497 7018 33551)
  170.29.144.0/24      4777 2497 7018 33551   

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

AS33551   15 More Specifics   15 Total Advertisements   SISTERS-OF-MERCY-HEALTH-SYSTEM - Sisters of Mercy Health System, US
    170.29.0.0/21                 170.29.0.0/16
    170.29.0.0/24                 170.29.0.0/16
    170.29.9.0/24                 170.29.0.0/16
    170.29.10.0/24                170.29.0.0/16
    170.29.11.0/24                170.29.0.0/16
    170.29.12.0/24                170.29.0.0/16
    170.29.30.0/24                170.29.0.0/16
    170.29.32.0/21                170.29.0.0/16
    170.29.64.0/24                170.29.0.0/16
    170.29.65.0/24                170.29.0.0/16
    170.29.66.0/24                170.29.0.0/16
    170.29.68.0/22                170.29.0.0/16
    170.29.72.0/24                170.29.0.0/16
    170.29.73.0/24                170.29.0.0/16
    170.29.144.0/24               170.29.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS33551 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33551\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:       33551
             ASName:         SISTERS-OF-MERCY-HEALTH-SYSTEM
             ASHandle:       AS33551
             RegDate:        2005-01-19
             Updated:        2026-06-06
             Comment:        Autonomous System for Sisters of Mercy Health System -
             Comment:        St. Louis, MO
             Ref:            https://rdap.arin.net/registry/autnum/33551
             
             
             OrgName:        Sisters of Mercy Health System
             OrgId:          SMHS
             Address:        3637 S. Geyer Rd.
             City:           St. Louis
             StateProv:      MO
             PostalCode:     63127
             Country:        US
             RegDate:        1994-01-22
             Updated:        2025-08-14
             Ref:            https://rdap.arin.net/registry/entity/SMHS
             
             
             OrgNOCHandle: PAGAN65-ARIN
             OrgNOCName:   Pagano, Nicolas 
             OrgNOCPhone:  +1-314-364-3362 
             OrgNOCEmail:  nicolas.pagano@mercy.net
             OrgNOCRef:    https://rdap.arin.net/registry/entity/PAGAN65-ARIN
             
             OrgTechHandle: PAGAN65-ARIN
             OrgTechName:   Pagano, Nicolas 
             OrgTechPhone:  +1-314-364-3362 
             OrgTechEmail:  nicolas.pagano@mercy.net
             OrgTechRef:    https://rdap.arin.net/registry/entity/PAGAN65-ARIN
             
             OrgAbuseHandle: SAEGE-ARIN
             OrgAbuseName:   Saeger, Steve 
             OrgAbusePhone:  +1-314-364-3240 
             OrgAbuseEmail:  steven.saeger@mercy.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SAEGE-ARIN
             
             OrgAbuseHandle: PAGAN65-ARIN
             OrgAbuseName:   Pagano, Nicolas 
             OrgAbusePhone:  +1-314-364-3362 
             OrgAbuseEmail:  nicolas.pagano@mercy.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/PAGAN65-ARIN
             
             OrgNOCHandle: SAEGE-ARIN
             OrgNOCName:   Saeger, Steve 
             OrgNOCPhone:  +1-314-364-3240 
             OrgNOCEmail:  steven.saeger@mercy.net
             OrgNOCRef:    https://rdap.arin.net/registry/entity/SAEGE-ARIN
             
             OrgTechHandle: SAEGE-ARIN
             OrgTechName:   Saeger, Steve 
             OrgTechPhone:  +1-314-364-3240 
             OrgTechEmail:  steven.saeger@mercy.net
             OrgTechRef:    https://rdap.arin.net/registry/entity/SAEGE-ARIN
             
             RTechHandle: SAEGE-ARIN
             RTechName:   Saeger, Steve 
             RTechPhone:  +1-314-364-3240 
             RTechEmail:  steven.saeger@mercy.net
             RTechRef:    https://rdap.arin.net/registry/entity/SAEGE-ARIN
             
             RAbuseHandle: SAEGE-ARIN
             RAbuseName:   Saeger, Steve 
             RAbusePhone:  +1-314-364-3240 
             RAbuseEmail:  steven.saeger@mercy.net
             RAbuseRef:    https://rdap.arin.net/registry/entity/SAEGE-ARIN
             
             RTechHandle: PAGAN65-ARIN
             RTechName:   Pagano, Nicolas 
             RTechPhone:  +1-314-364-3362 
             RTechEmail:  nicolas.pagano@mercy.net
             RTechRef:    https://rdap.arin.net/registry/entity/PAGAN65-ARIN
             
             RNOCHandle: PAGAN65-ARIN
             RNOCName:   Pagano, Nicolas 
             RNOCPhone:  +1-314-364-3362 
             RNOCEmail:  nicolas.pagano@mercy.net
             RNOCRef:    https://rdap.arin.net/registry/entity/PAGAN65-ARIN
             
             RNOCHandle: SAEGE-ARIN
             RNOCName:   Saeger, Steve 
             RNOCPhone:  +1-314-364-3240 
             RNOCEmail:  steven.saeger@mercy.net
             RNOCRef:    https://rdap.arin.net/registry/entity/SAEGE-ARIN
             
             RAbuseHandle: PAGAN65-ARIN
             RAbuseName:   Pagano, Nicolas 
             RAbusePhone:  +1-314-364-3362 
             RAbuseEmail:  nicolas.pagano@mercy.net
             RAbuseRef:    https://rdap.arin.net/registry/entity/PAGAN65-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.
             #