AS Report

Report for 2

Name

UDEL-DCN - University of Delaware, US

AS Adjacency Report

2 UDEL-DCN, US

  Adjacency:     8  Upstream:     7  Downstream:     1
  Upstream Adjacent AS list
    AS152709        RKLINK-AS-AP RK Link, BD
    AS203794        GALS-TELECOM-AS -- Upsreams --, RU
    AS37613         Dolphin-Telecom-AS, GH
    AS45609         BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service, IN
    AS41837         UTC-AS South Telephony Company LTD, RU
    AS266893        MULTIMEDIA NETWORK, S.A. DE C.V., SV
    AS34            UDELNET, US
  Downstream Adjacent AS list
    AS37280         BCL, NG

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2765  AS2            ORIGIN  Originate:      78592 /15.74  Transit:          0 /0.00  UDEL-DCN, US

Aggregation Suggestions

Filter: Aggregates, Specifics

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
20345 AS2           UDEL-DCN, US                                       6      2      1      5      1  16.67%


  Prefix               AS Path                              Aggregation Suggestion
  45.161.25.0/24       57866 5511 52468 266893 2   
  91.143.144.0/20      3303 12389 41837 41837 2   
  103.39.120.0/23      37100 6453 9498 58682 58682 152709 2   
  128.4.0.0/16         293 3754 34 34 2       
  171.79.128.0/19      2914 9498 45609 2    + Announce - aggregate of 171.79.128.0/20 (2914 9498 45609 2) and 171.79.144.0/20 (2914 9498 45609 2)
  171.79.128.0/20      2914 9498 45609 2    - Withdrawn - aggregated with 171.79.144.0/20 (2914 9498 45609 2)
  171.79.144.0/20      2914 9498 45609 2    - Withdrawn - aggregated with 171.79.128.0/20 (2914 9498 45609 2)

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

AS2   5 More Specifics   11 Total Advertisements   UDEL-DCN, US
    12.35.70.0/23                 12.0.0.0/8
    45.9.216.0/24                 45.9.216.0/22
    149.7.215.0/24                149.7.0.0/16
    179.63.216.0/22               179.63.216.0/21
    185.74.35.0/24                185.74.32.0/22
    203.31.11.0/24                203.31.10.0/23

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 78.31.214.0/24              Announced
    + 103.91.160.0/22             Announced
    + 103.140.94.0/23             Announced
    + 185.74.35.0/24              Announced
    + 200.124.80.0/22             Announced
    - 190.112.132.0/22            Withdrawn
    - 203.31.11.0/24              Withdrawn

Whois Entry

whois: 402609

IANA has recorded AS2 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS2\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:       2
             ASName:         UDEL-DCN
             ASHandle:       AS2
             RegDate:        1991-01-10
             Updated:        2023-11-08
             Ref:            https://rdap.arin.net/registry/autnum/2
             
             
             OrgName:        University of Delaware
             OrgId:          UNIVER-19-Z
             Address:        Information Technologies
             Address:        192 South Chapel Street
             City:           Newark
             StateProv:      DE
             PostalCode:     19716
             Country:        US
             RegDate:        2008-03-18
             Updated:        2024-08-15
             Ref:            https://rdap.arin.net/registry/entity/UNIVER-19-Z
             
             
             OrgTechHandle: NSS13-ARIN
             OrgTechName:   Network and Systems Services
             OrgTechPhone:  +1-302-831-6000 
             OrgTechEmail:  network-technical@udel.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NSS13-ARIN
             
             OrgDNSHandle: UDELN-ARIN
             OrgDNSName:   UDel NOC
             OrgDNSPhone:  +1-302-831-3717 
             OrgDNSEmail:  noc@udel.edu
             OrgDNSRef:    https://rdap.arin.net/registry/entity/UDELN-ARIN
             
             OrgRoutingHandle: NSS13-ARIN
             OrgRoutingName:   Network and Systems Services
             OrgRoutingPhone:  +1-302-831-6000 
             OrgRoutingEmail:  network-technical@udel.edu
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NSS13-ARIN
             
             OrgNOCHandle: UDELN-ARIN
             OrgNOCName:   UDel NOC
             OrgNOCPhone:  +1-302-831-3717 
             OrgNOCEmail:  noc@udel.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/UDELN-ARIN
             
             OrgAbuseHandle: UDELN-ARIN
             OrgAbuseName:   UDel NOC
             OrgAbusePhone:  +1-302-831-3717 
             OrgAbuseEmail:  noc@udel.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/UDELN-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.
             #

as-report v4.4 (gih) 24/02/14