Report for 33377

Name

FHLBC - Federal Home Loan Bank of Chicago, 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.

33377 FHLBC - Federal Home Loan Bank of Chicago, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
49402 AS33377        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  FHLBC - Federal Home Loan Bank of Chicago, 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       %
39935 AS33377       FHLBC - Federal Home Loan Bank of Chicago, US      2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  204.16.84.0/24       4777 2516 174 33377    
  204.16.87.0/24       4777 2516 174 33377    

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

AS33377   2 More Specifics   2 Total Advertisements   FHLBC - Federal Home Loan Bank of Chicago, US
    204.16.84.0/24                204.16.84.0/22
    204.16.87.0/24                204.16.84.0/22

Whois Entry

whois: 402603

IANA has recorded AS33377 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33377\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:       33377
             ASName:         FHLBC
             ASHandle:       AS33377
             RegDate:        2004-12-07
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/33377
             
             
             OrgName:        Federal Home Loan Bank of Chicago
             OrgId:          FHLBC-1
             Address:        200 E Randolph
             City:           Chicago
             StateProv:      IL
             PostalCode:     60601
             Country:        US
             RegDate:        2004-10-04
             Updated:        2013-07-18
             Ref:            https://rdap.arin.net/registry/entity/FHLBC-1
             
             
             OrgAbuseHandle: NETWO650-ARIN
             OrgAbuseName:   Network Administration
             OrgAbusePhone:  +1-312-565-5700 
             OrgAbuseEmail:  infrastructure@fhlbc.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO650-ARIN
             
             OrgTechHandle: NETWO650-ARIN
             OrgTechName:   Network Administration
             OrgTechPhone:  +1-312-565-5700 
             OrgTechEmail:  infrastructure@fhlbc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO650-ARIN
             
             RTechHandle: NETWO650-ARIN
             RTechName:   Network Administration
             RTechPhone:  +1-312-565-5700 
             RTechEmail:  infrastructure@fhlbc.com
             RTechRef:    https://rdap.arin.net/registry/entity/NETWO650-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.
             #