Report for 4546

Name

SPGI-AS - S&P Global 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.

4546 SPGI-AS - S&P Global Inc., US

  Adjacency:     6  Upstream:     6  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS9498          BBIL-AP - BHARTI Airtel Ltd., IN
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS701           UUNET - Verizon Business, US
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8387  AS4546         ORIGIN  Originate:      14336 /18.19  Transit:          0 /0.00  SPGI-AS - S&P Global 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       %
 3447 AS4546        SPGI-AS - S&P Global Inc., US                     44     20      5     29     15  34.09%


  Prefix               AS Path                              Aggregation Suggestion
  12.24.112.0/22       4777 32787 4546      + Announce - aggregate of 12.24.112.0/23 (4777 32787 4546) and 12.24.114.0/23 (4777 32787 4546)
  12.24.112.0/24       4777 32787 4546      - Withdrawn - aggregated with 12.24.113.0/24 (4777 32787 4546)
  12.24.113.0/24       4777 32787 4546      - Withdrawn - aggregated with 12.24.112.0/24 (4777 32787 4546)
  12.24.114.0/24       4777 32787 4546      - Withdrawn - aggregated with 12.24.115.0/24 (4777 32787 4546)
  12.24.115.0/24       4777 32787 4546      - Withdrawn - aggregated with 12.24.114.0/24 (4777 32787 4546)
  12.26.55.0/24        4777 32787 4546        
  12.33.127.0/24       4777 32787 4546        
  12.167.24.0/24       4777 32787 4546        
  12.185.49.0/24       4777 32787 4546        
  38.108.25.0/24       4777 2516 174 4546     
  38.114.211.0/24      4777 2516 174 4546     
  149.13.65.0/24       4777 2516 174 4546     
  154.48.67.0/24       4777 2516 174 4546     
  154.56.194.0/24      4777 2516 174 4546     
  168.116.32.0/22      4777 32787 4546        
  168.116.36.0/23      4777 32787 4546      + Announce - aggregate of 168.116.36.0/24 (4777 32787 4546) and 168.116.37.0/24 (4777 32787 4546)
  168.116.36.0/24      4777 32787 4546      - Withdrawn - aggregated with 168.116.37.0/24 (4777 32787 4546)
  168.116.37.0/24      4777 32787 4546      - Withdrawn - aggregated with 168.116.36.0/24 (4777 32787 4546)
  168.116.38.0/24      4777 32787 4546        
  168.116.39.0/24      4777 2516 701 4546 4546   
  168.116.40.0/24      4777 2516 701 4546     
  168.116.236.0/23     4777 2497 9498 4546    
  168.116.238.0/23     4777 2516 3356 4546    
  168.116.238.0/24     4777 2516 174 4546     
  168.116.239.0/24     4777 2516 3356 4546  - Withdrawn - matching aggregate 168.116.238.0/23 4777 2516 3356 4546
  168.116.240.0/22     4777 32787 4546      + Announce - aggregate of 168.116.240.0/23 (4777 32787 4546) and 168.116.242.0/23 (4777 32787 4546)
  168.116.240.0/23     4777 32787 4546      - Withdrawn - aggregated with 168.116.242.0/23 (4777 32787 4546)
  168.116.240.0/24     4777 32787 4546      - Withdrawn - matching aggregate 168.116.240.0/23 4777 32787 4546
  168.116.241.0/24     4777 32787 4546      - Withdrawn - matching aggregate 168.116.240.0/23 4777 32787 4546
  168.116.242.0/23     4777 32787 4546      - Withdrawn - aggregated with 168.116.240.0/23 (4777 32787 4546)
  168.116.242.0/24     4777 32787 4546      - Withdrawn - matching aggregate 168.116.242.0/23 4777 32787 4546
  168.116.243.0/24     4777 32787 4546      - Withdrawn - matching aggregate 168.116.242.0/23 4777 32787 4546
  168.116.244.0/23     4777 32787 4546        
  168.116.244.0/24     4777 32787 4546      - Withdrawn - matching aggregate 168.116.244.0/23 4777 32787 4546
  168.116.245.0/24     4777 32787 4546      - Withdrawn - matching aggregate 168.116.244.0/23 4777 32787 4546
  168.116.250.0/23     4777 2497 9498 4546    
  168.116.251.0/24     4777 2497 9498 4546  - Withdrawn - matching aggregate 168.116.250.0/23 4777 2497 9498 4546
  168.116.254.0/24     4777 2497 7018 4546    
  168.116.255.0/24     4777 2516 701 4546 4546   
  198.45.19.0/24       4777 32787 4546        
  198.45.21.0/24       4777 32787 4546        
  198.45.22.0/23       4777 32787 4546      + Announce - aggregate of 198.45.22.0/24 (4777 32787 4546) and 198.45.23.0/24 (4777 32787 4546)
  198.45.22.0/24       4777 32787 4546      - Withdrawn - aggregated with 198.45.23.0/24 (4777 32787 4546)
  198.45.23.0/24       4777 32787 4546      - Withdrawn - aggregated with 198.45.22.0/24 (4777 32787 4546)
  198.45.24.0/23       4777 32787 4546      + Announce - aggregate of 198.45.24.0/24 (4777 32787 4546) and 198.45.25.0/24 (4777 32787 4546)
  198.45.24.0/24       4777 32787 4546      - Withdrawn - aggregated with 198.45.25.0/24 (4777 32787 4546)
  198.45.25.0/24       4777 32787 4546      - Withdrawn - aggregated with 198.45.24.0/24 (4777 32787 4546)
  198.45.30.0/24       4777 32787 4546        
  204.8.128.0/22       4777 32787 4546        

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

AS4546   44 More Specifics   44 Total Advertisements   SPGI-AS - S&P Global Inc., US
    12.24.112.0/24                12.0.0.0/8
    12.24.113.0/24                12.0.0.0/8
    12.24.114.0/24                12.0.0.0/8
    12.24.115.0/24                12.0.0.0/8
    12.26.55.0/24                 12.0.0.0/8
    12.33.127.0/24                12.0.0.0/8
    12.167.24.0/24                12.0.0.0/8
    12.185.49.0/24                12.0.0.0/8
    38.108.25.0/24                38.0.0.0/8
    38.114.211.0/24               38.0.0.0/8
    149.13.65.0/24                149.13.0.0/16
    154.48.67.0/24                154.48.0.0/16
    154.56.194.0/24               154.56.0.0/16
    168.116.32.0/22               168.116.0.0/16
    168.116.36.0/24               168.116.0.0/16
    168.116.37.0/24               168.116.0.0/16
    168.116.38.0/24               168.116.0.0/16
    168.116.39.0/24               168.116.0.0/16
    168.116.40.0/24               168.116.0.0/16
    168.116.236.0/23              168.116.0.0/16
    168.116.238.0/23              168.116.0.0/16
    168.116.238.0/24              168.116.0.0/16
    168.116.239.0/24              168.116.0.0/16
    168.116.240.0/23              168.116.0.0/16
    168.116.240.0/24              168.116.0.0/16
    168.116.241.0/24              168.116.0.0/16
    168.116.242.0/23              168.116.0.0/16
    168.116.242.0/24              168.116.0.0/16
    168.116.243.0/24              168.116.0.0/16
    168.116.244.0/23              168.116.0.0/16
    168.116.244.0/24              168.116.0.0/16
    168.116.245.0/24              168.116.0.0/16
    168.116.250.0/23              168.116.0.0/16
    168.116.251.0/24              168.116.0.0/16
    168.116.254.0/24              168.116.0.0/16
    168.116.255.0/24              168.116.0.0/16
    198.45.19.0/24                198.45.16.0/20
    198.45.21.0/24                198.45.16.0/20
    198.45.22.0/24                198.45.16.0/20
    198.45.23.0/24                198.45.16.0/20
    198.45.24.0/24                198.45.16.0/20
    198.45.25.0/24                198.45.16.0/20
    198.45.30.0/24                198.45.16.0/20
    204.8.128.0/22                204.8.128.0/21

Whois Entry

whois: 402609

IANA has recorded AS4546 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4546\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:       4546
             ASName:         SPGI-AS
             ASHandle:       AS4546
             RegDate:        1995-04-19
             Updated:        2019-08-09
             Ref:            https://rdap.arin.net/registry/autnum/4546
             
             
             OrgName:        S&P Global Inc.
             OrgId:          MCGRAW-3
             Address:        One Independence Way
             City:           Princeton
             StateProv:      NJ
             PostalCode:     08540
             Country:        US
             RegDate:        1995-04-19
             Updated:        2025-01-30
             Ref:            https://rdap.arin.net/registry/entity/MCGRAW-3
             
             
             OrgAbuseHandle: HOSTM339-ARIN
             OrgAbuseName:   hostmaster
             OrgAbusePhone:  +1-609-426-5465 
             OrgAbuseEmail:  hostmaster@spglobal.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM339-ARIN
             
             OrgAbuseHandle: SGNE2-ARIN
             OrgAbuseName:   SP Global Network Engineering
             OrgAbusePhone:  +1-609-426-5000 
             OrgAbuseEmail:  globalnetworkengineering@spglobal.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SGNE2-ARIN
             
             OrgDNSHandle: HOSTM339-ARIN
             OrgDNSName:   hostmaster
             OrgDNSPhone:  +1-609-426-5465 
             OrgDNSEmail:  hostmaster@spglobal.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/HOSTM339-ARIN
             
             OrgRoutingHandle: HOSTM339-ARIN
             OrgRoutingName:   hostmaster
             OrgRoutingPhone:  +1-609-426-5465 
             OrgRoutingEmail:  hostmaster@spglobal.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/HOSTM339-ARIN
             
             OrgTechHandle: JWC74-ARIN
             OrgTechName:   Cooler, Jeremy W
             OrgTechPhone:  +1-248-728-7852 
             OrgTechEmail:  jeremy.cooler@spglobal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/JWC74-ARIN
             
             OrgNOCHandle: SGNE2-ARIN
             OrgNOCName:   SP Global Network Engineering
             OrgNOCPhone:  +1-609-426-5000 
             OrgNOCEmail:  globalnetworkengineering@spglobal.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/SGNE2-ARIN
             
             OrgTechHandle: SGNE2-ARIN
             OrgTechName:   SP Global Network Engineering
             OrgTechPhone:  +1-609-426-5000 
             OrgTechEmail:  globalnetworkengineering@spglobal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SGNE2-ARIN
             
             OrgNOCHandle: HOSTM339-ARIN
             OrgNOCName:   hostmaster
             OrgNOCPhone:  +1-609-426-5465 
             OrgNOCEmail:  hostmaster@spglobal.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/HOSTM339-ARIN
             
             OrgTechHandle: ENGMI2-ARIN
             OrgTechName:   Eng, Michael 
             OrgTechPhone:  +1-609-462-6373 
             OrgTechEmail:  michael.eng@spglobal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ENGMI2-ARIN
             
             OrgTechHandle: HOSTM339-ARIN
             OrgTechName:   hostmaster
             OrgTechPhone:  +1-609-426-5465 
             OrgTechEmail:  hostmaster@spglobal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM339-ARIN
             
             OrgDNSHandle: SGNE2-ARIN
             OrgDNSName:   SP Global Network Engineering
             OrgDNSPhone:  +1-609-426-5000 
             OrgDNSEmail:  globalnetworkengineering@spglobal.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/SGNE2-ARIN
             
             OrgRoutingHandle: SGNE2-ARIN
             OrgRoutingName:   SP Global Network Engineering
             OrgRoutingPhone:  +1-609-426-5000 
             OrgRoutingEmail:  globalnetworkengineering@spglobal.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/SGNE2-ARIN
             
             OrgTechHandle: CARLS355-ARIN
             OrgTechName:   Carlson, George 
             OrgTechPhone:  +1-804-887-5315 
             OrgTechEmail:  george.carlson@spglobal.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CARLS355-ARIN
             
             RAbuseHandle: HOSTM339-ARIN
             RAbuseName:   hostmaster
             RAbusePhone:  +1-609-426-5465 
             RAbuseEmail:  hostmaster@spglobal.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM339-ARIN
             
             RNOCHandle: SGNE2-ARIN
             RNOCName:   SP Global Network Engineering
             RNOCPhone:  +1-609-426-5000 
             RNOCEmail:  globalnetworkengineering@spglobal.com
             RNOCRef:    https://rdap.arin.net/registry/entity/SGNE2-ARIN
             
             RAbuseHandle: SGNE2-ARIN
             RAbuseName:   SP Global Network Engineering
             RAbusePhone:  +1-609-426-5000 
             RAbuseEmail:  globalnetworkengineering@spglobal.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/SGNE2-ARIN
             
             RTechHandle: ENGMI2-ARIN
             RTechName:   Eng, Michael 
             RTechPhone:  +1-609-462-6373 
             RTechEmail:  michael.eng@spglobal.com
             RTechRef:    https://rdap.arin.net/registry/entity/ENGMI2-ARIN
             
             RTechHandle: HOSTM339-ARIN
             RTechName:   hostmaster
             RTechPhone:  +1-609-426-5465 
             RTechEmail:  hostmaster@spglobal.com
             RTechRef:    https://rdap.arin.net/registry/entity/HOSTM339-ARIN
             
             RNOCHandle: HOSTM339-ARIN
             RNOCName:   hostmaster
             RNOCPhone:  +1-609-426-5465 
             RNOCEmail:  hostmaster@spglobal.com
             RNOCRef:    https://rdap.arin.net/registry/entity/HOSTM339-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.
             #