Report for 21737

Name

SPRINGNET2-NET - SpringNet, 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.

21737 SPRINGNET2-NET - SpringNet, US

  Adjacency:     9  Upstream:     3  Downstream:     6
  Upstream Adjacent AS list
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS1299          TWELVE99 - Arelion Sweden AB, SE
  Downstream Adjacent AS list
    AS20296         EXPEDIA-ARIN - EXPEDIA, INC, US
    AS33252         BASSPRO-AS - Bass Pro, LLC., US
    AS30628         SRC-AUTOMOTIVE-INC - SRC Automotive Inc., US
    AS21835         SCARSDALE-SECURITY-SYSTEMS - Scarsdale Security Systems, Inc., US
    AS63051         CRITICALHOSTING-USA - Critical Hosting Solutions LLC, US
    AS393977        GSB - Great Southern Bank, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5927  AS21737        ORG+TRN Originate:      26112 /17.33  Transit:       2560 /20.68 SPRINGNET2-NET - SpringNet, 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       %
12169 AS21737       SPRINGNET2-NET - SpringNet, US                    10      3      0      7      3  30.00%


  Prefix               AS Path                              Aggregation Suggestion
  64.22.224.0/19       4777 2516 1299 21737   
  64.22.225.0/24       4777 2497 174 21737    
  64.22.249.0/24       4777 2516 1299 21737 - Withdrawn - matching aggregate 64.22.224.0/19 4777 2516 1299 21737
  64.22.255.0/24       4777 2516 1299 21737 - Withdrawn - matching aggregate 64.22.224.0/19 4777 2516 1299 21737
  66.119.0.0/19        4777 2516 1299 21737   
  75.98.96.0/20        4777 2516 1299 21737   
  75.98.102.0/24       4777 2497 174 21737    
  75.98.103.0/24       4777 2516 1299 21737 - Withdrawn - matching aggregate 75.98.96.0/20 4777 2516 1299 21737
  76.77.128.0/20       4777 2516 1299 21737   
  198.246.200.0/24     4777 2516 1299 21737   

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

AS21737   5 More Specifics   10 Total Advertisements   SPRINGNET2-NET - SpringNet, US
    64.22.225.0/24                64.22.224.0/19
    64.22.249.0/24                64.22.224.0/19
    64.22.255.0/24                64.22.224.0/19
    75.98.102.0/24                75.98.96.0/20
    75.98.103.0/24                75.98.96.0/20

Whois Entry

whois: 402599

IANA has recorded AS21737 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21737\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:       21737
             ASName:         SPRINGNET2-NET
             ASHandle:       AS21737
             RegDate:        2001-06-18
             Updated:        2005-09-29
             Ref:            https://rdap.arin.net/registry/autnum/21737
             
             
             OrgName:        SpringNet
             OrgId:          SPGN
             Address:        301 E. Central
             City:           Springfield
             StateProv:      MO
             PostalCode:     65802
             Country:        US
             RegDate:        2001-06-01
             Updated:        2025-02-09
             Ref:            https://rdap.arin.net/registry/entity/SPGN
             
             
             OrgNOCHandle: ARINS14-ARIN
             OrgNOCName:   arin@springnet
             OrgNOCPhone:  +1-417-831-8688 
             OrgNOCEmail:  arin@springnet.net
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ARINS14-ARIN
             
             OrgTechHandle: ARINS14-ARIN
             OrgTechName:   arin@springnet
             OrgTechPhone:  +1-417-831-8688 
             OrgTechEmail:  arin@springnet.net
             OrgTechRef:    https://rdap.arin.net/registry/entity/ARINS14-ARIN
             
             OrgAbuseHandle: ABUSE7702-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-417-874-8000 
             OrgAbuseEmail:  abuse@springnet.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7702-ARIN
             
             OrgRoutingHandle: ARINS14-ARIN
             OrgRoutingName:   arin@springnet
             OrgRoutingPhone:  +1-417-831-8688 
             OrgRoutingEmail:  arin@springnet.net
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ARINS14-ARIN
             
             OrgDNSHandle: ARINS14-ARIN
             OrgDNSName:   arin@springnet
             OrgDNSPhone:  +1-417-831-8688 
             OrgDNSEmail:  arin@springnet.net
             OrgDNSRef:    https://rdap.arin.net/registry/entity/ARINS14-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.
             #