3 MIT-GATEWAYS, US
Adjacency: 14 Upstream: 12 Downstream: 2
Upstream Adjacent AS list
AS7015 COMCAST-7015, US
AS293 ESNET, US
AS16713 NOANET-WA, US
AS265886 Universo Digital Telecomunicacoes LTDA ME, BR
AS63483 SKYNET-AS-1, US
AS59404 KORKINO-AS, RU
AS6939 HURRICANE, US
AS141647 IDNIC-CGV-AS-ID PT Graha Layar Prima, ID
AS174 COGENT-174, US
AS35978 KINETIC-1-2009, US
AS3356 LEVEL3, US
AS10578 GIGAPOP-NE, US
Downstream Adjacent AS list
AS54755 DWW-AS, US
AS22608 OKPUD-WA, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 282 AS3 ORIGIN Originate: 1851648 /11.18 Transit: 0 /0.00 MIT-GATEWAYS, 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 % 1612 AS3 MIT-GATEWAYS, US 92 52 16 56 36 39.13% Prefix AS Path Aggregation Suggestion 18.0.0.0/15 293 3 + Announce - aggregate of 18.0.0.0/16 (293 3) and 18.1.0.0/16 (293 3) 18.0.0.0/16 293 3 - Withdrawn - aggregated with 18.1.0.0/16 (293 3) 18.1.0.0/16 293 3 - Withdrawn - aggregated with 18.0.0.0/16 (293 3) 18.3.0.0/16 293 3 18.3.1.0/24 57866 3356 3 18.3.2.0/23 57866 3356 3 + Announce - aggregate of 18.3.2.0/24 (57866 3356 3) and 18.3.3.0/24 (57866 3356 3) 18.3.2.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.3.0/24 (57866 3356 3) 18.3.3.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.2.0/24 (57866 3356 3) 18.3.4.0/22 57866 3356 3 + Announce - aggregate of 18.3.4.0/23 (57866 3356 3) and 18.3.6.0/23 (57866 3356 3) 18.3.4.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.5.0/24 (57866 3356 3) 18.3.5.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.4.0/24 (57866 3356 3) 18.3.6.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.7.0/24 (57866 3356 3) 18.3.7.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.6.0/24 (57866 3356 3) 18.3.8.0/21 57866 3356 3 + Announce - aggregate of 18.3.8.0/22 (57866 3356 3) and 18.3.12.0/22 (57866 3356 3) 18.3.8.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.9.0/24 (57866 3356 3) 18.3.9.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.8.0/24 (57866 3356 3) 18.3.10.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.11.0/24 (57866 3356 3) 18.3.11.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.10.0/24 (57866 3356 3) 18.3.12.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.13.0/24 (57866 3356 3) 18.3.13.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.12.0/24 (57866 3356 3) 18.3.14.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.15.0/24 (57866 3356 3) 18.3.15.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.14.0/24 (57866 3356 3) 18.3.16.0/22 57866 3356 3 + Announce - aggregate of 18.3.16.0/23 (57866 3356 3) and 18.3.18.0/23 (57866 3356 3) 18.3.16.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.17.0/24 (57866 3356 3) 18.3.17.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.16.0/24 (57866 3356 3) 18.3.18.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.19.0/24 (57866 3356 3) 18.3.19.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.18.0/24 (57866 3356 3) 18.3.20.0/23 57866 3356 3 + Announce - aggregate of 18.3.20.0/24 (57866 3356 3) and 18.3.21.0/24 (57866 3356 3) 18.3.20.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.21.0/24 (57866 3356 3) 18.3.21.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.20.0/24 (57866 3356 3) 18.3.22.0/23 49788 174 3 + Announce - aggregate of 18.3.22.0/24 (49788 174 3) and 18.3.23.0/24 (49788 174 3) 18.3.22.0/24 49788 174 3 - Withdrawn - aggregated with 18.3.23.0/24 (49788 174 3) 18.3.23.0/24 49788 174 3 - Withdrawn - aggregated with 18.3.22.0/24 (49788 174 3) 18.3.28.0/24 57866 3356 3 18.3.67.0/24 57866 3356 3 18.3.69.0/24 57866 3356 3 18.3.90.0/24 57866 3356 3 18.3.103.0/24 57866 3356 3 18.3.104.0/23 57866 3356 3 + Announce - aggregate of 18.3.104.0/24 (57866 3356 3) and 18.3.105.0/24 (57866 3356 3) 18.3.104.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.105.0/24 (57866 3356 3) 18.3.105.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.104.0/24 (57866 3356 3) 18.3.106.0/24 57866 3356 3 18.3.108.0/23 57866 3356 3 + Announce - aggregate of 18.3.108.0/24 (57866 3356 3) and 18.3.109.0/24 (57866 3356 3) 18.3.108.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.109.0/24 (57866 3356 3) 18.3.109.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.108.0/24 (57866 3356 3) 18.3.111.0/24 57866 3356 3 18.3.116.0/24 57866 3356 3 18.3.122.0/24 57866 3356 3 18.3.151.0/24 57866 3356 3 18.3.152.0/22 57866 3356 3 + Announce - aggregate of 18.3.152.0/23 (57866 3356 3) and 18.3.154.0/23 (57866 3356 3) 18.3.152.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.153.0/24 (57866 3356 3) 18.3.153.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.152.0/24 (57866 3356 3) 18.3.154.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.155.0/24 (57866 3356 3) 18.3.155.0/24 57866 3356 3 - Withdrawn - aggregated with 18.3.154.0/24 (57866 3356 3) 18.3.156.0/24 49788 174 3 18.4.0.0/14 293 3 + Announce - aggregate of 18.4.0.0/15 (293 3) and 18.6.0.0/15 (293 3) 18.4.0.0/16 293 3 - Withdrawn - aggregated with 18.5.0.0/16 (293 3) 18.5.0.0/16 293 3 - Withdrawn - aggregated with 18.4.0.0/16 (293 3) 18.6.0.0/16 293 3 - Withdrawn - aggregated with 18.7.0.0/16 (293 3) 18.7.0.0/16 293 3 - Withdrawn - aggregated with 18.6.0.0/16 (293 3) 18.7.23.0/24 57866 3356 3 18.7.32.0/24 57866 3356 3 18.7.34.0/24 57866 3356 3 18.7.39.0/24 57866 3356 3 18.7.40.0/24 49788 174 3 18.7.54.0/24 57866 3356 3 18.7.80.0/24 57866 3356 3 18.7.82.0/24 57866 3356 3 18.7.84.0/24 57866 3356 3 18.7.102.0/24 49788 174 3 18.7.108.0/24 49788 174 3 18.7.117.0/24 49788 174 3 18.7.118.0/23 49788 174 3 + Announce - aggregate of 18.7.118.0/24 (49788 174 3) and 18.7.119.0/24 (49788 174 3) 18.7.118.0/24 49788 174 3 - Withdrawn - aggregated with 18.7.119.0/24 (49788 174 3) 18.7.119.0/24 49788 174 3 - Withdrawn - aggregated with 18.7.118.0/24 (49788 174 3) 18.7.120.0/24 49788 174 3 18.8.0.0/13 293 3 + Announce - aggregate of 18.8.0.0/14 (293 3) and 18.12.0.0/14 (293 3) 18.8.0.0/16 293 3 - Withdrawn - aggregated with 18.9.0.0/16 (293 3) 18.9.0.0/16 293 3 - Withdrawn - aggregated with 18.8.0.0/16 (293 3) 18.10.0.0/16 293 3 - Withdrawn - aggregated with 18.11.0.0/16 (293 3) 18.11.0.0/16 293 3 - Withdrawn - aggregated with 18.10.0.0/16 (293 3) 18.12.0.0/16 293 3 - Withdrawn - aggregated with 18.13.0.0/16 (293 3) 18.13.0.0/16 293 3 - Withdrawn - aggregated with 18.12.0.0/16 (293 3) 18.14.0.0/16 293 3 - Withdrawn - aggregated with 18.15.0.0/16 (293 3) 18.15.0.0/16 293 3 - Withdrawn - aggregated with 18.14.0.0/16 (293 3) 18.16.0.0/16 293 3 18.17.0.0/16 293 3 3 18.18.0.0/16 293 3 18.22.0.0/16 293 3 18.23.0.0/16 293 3 3 18.25.0.0/16 293 3 18.26.0.0/15 293 3 + Announce - aggregate of 18.26.0.0/16 (293 3) and 18.27.0.0/16 (293 3) 18.26.0.0/16 293 3 - Withdrawn - aggregated with 18.27.0.0/16 (293 3) 18.27.0.0/16 293 3 - Withdrawn - aggregated with 18.26.0.0/16 (293 3) 18.29.0.0/16 293 3 18.31.0.0/16 293 3 38.126.196.0/24 49788 174 35978 3 103.162.43.0/24 6939 137366 17995 141647 141647 141647 3 128.30.0.0/15 293 3 128.52.0.0/16 293 3 192.52.61.0/24 293 3 192.52.62.0/23 293 3 + Announce - aggregate of 192.52.62.0/24 (293 3) and 192.52.63.0/24 (293 3) 192.52.62.0/24 293 3 - Withdrawn - aggregated with 192.52.63.0/24 (293 3) 192.52.63.0/24 293 3 - Withdrawn - aggregated with 192.52.62.0/24 (293 3) 192.52.64.0/23 293 3 + Announce - aggregate of 192.52.64.0/24 (293 3) and 192.52.65.0/24 (293 3) 192.52.64.0/24 293 3 - Withdrawn - aggregated with 192.52.65.0/24 (293 3) 192.52.65.0/24 293 3 - Withdrawn - aggregated with 192.52.64.0/24 (293 3) 193.242.190.0/24 2497 12389 59404 3
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS3 133 More Specifics 141 Total Advertisements MIT-GATEWAYS, US
18.0.0.0/16 18.0.0.0/11
18.1.0.0/16 18.0.0.0/11
18.1.1.0/24 18.0.0.0/11
18.1.7.0/24 18.0.0.0/11
18.3.0.0/16 18.0.0.0/11
18.3.1.0/24 18.0.0.0/11
18.3.2.0/24 18.0.0.0/11
18.3.3.0/24 18.0.0.0/11
18.3.4.0/24 18.0.0.0/11
18.3.5.0/24 18.0.0.0/11
18.3.6.0/24 18.0.0.0/11
18.3.7.0/24 18.0.0.0/11
18.3.8.0/24 18.0.0.0/11
18.3.9.0/24 18.0.0.0/11
18.3.10.0/24 18.0.0.0/11
18.3.11.0/24 18.0.0.0/11
18.3.12.0/24 18.0.0.0/11
18.3.13.0/24 18.0.0.0/11
18.3.14.0/24 18.0.0.0/11
18.3.15.0/24 18.0.0.0/11
18.3.16.0/24 18.0.0.0/11
18.3.17.0/24 18.0.0.0/11
18.3.18.0/24 18.0.0.0/11
18.3.19.0/24 18.0.0.0/11
18.3.20.0/24 18.0.0.0/11
18.3.21.0/24 18.0.0.0/11
18.3.22.0/24 18.0.0.0/11
18.3.23.0/24 18.0.0.0/11
18.3.24.0/24 18.0.0.0/11
18.3.28.0/24 18.0.0.0/11
18.3.67.0/24 18.0.0.0/11
18.3.69.0/24 18.0.0.0/11
18.3.90.0/24 18.0.0.0/11
18.3.97.0/24 18.0.0.0/11
18.3.102.0/24 18.0.0.0/11
18.3.103.0/24 18.0.0.0/11
18.3.104.0/24 18.0.0.0/11
18.3.105.0/24 18.0.0.0/11
18.3.106.0/24 18.0.0.0/11
18.3.107.0/24 18.0.0.0/11
18.3.108.0/24 18.0.0.0/11
18.3.109.0/24 18.0.0.0/11
18.3.111.0/24 18.0.0.0/11
18.3.115.0/24 18.0.0.0/11
18.3.151.0/24 18.0.0.0/11
18.3.152.0/24 18.0.0.0/11
18.3.153.0/24 18.0.0.0/11
18.3.154.0/24 18.0.0.0/11
18.3.155.0/24 18.0.0.0/11
18.4.0.0/16 18.0.0.0/11
18.4.38.0/24 18.0.0.0/11
18.4.70.0/24 18.0.0.0/11
18.4.81.0/24 18.0.0.0/11
18.4.93.0/24 18.0.0.0/11
18.5.0.0/16 18.0.0.0/11
18.6.0.0/16 18.0.0.0/11
18.7.0.0/16 18.0.0.0/11
18.7.6.0/24 18.0.0.0/11
18.7.10.0/24 18.0.0.0/11
18.7.11.0/24 18.0.0.0/11
18.7.13.0/24 18.0.0.0/11
18.7.18.0/24 18.0.0.0/11
18.7.21.0/24 18.0.0.0/11
18.7.23.0/24 18.0.0.0/11
18.7.32.0/24 18.0.0.0/11
18.7.34.0/24 18.0.0.0/11
18.7.39.0/24 18.0.0.0/11
18.7.40.0/24 18.0.0.0/11
18.7.45.0/24 18.0.0.0/11
18.7.54.0/24 18.0.0.0/11
18.7.57.0/24 18.0.0.0/11
18.7.68.0/24 18.0.0.0/11
18.7.71.0/24 18.0.0.0/11
18.7.72.0/24 18.0.0.0/11
18.7.80.0/24 18.0.0.0/11
18.7.82.0/24 18.0.0.0/11
18.7.83.0/24 18.0.0.0/11
18.7.84.0/24 18.0.0.0/11
18.7.88.0/24 18.0.0.0/11
18.7.94.0/24 18.0.0.0/11
18.7.99.0/24 18.0.0.0/11
18.7.101.0/24 18.0.0.0/11
18.7.102.0/24 18.0.0.0/11
18.7.103.0/24 18.0.0.0/11
18.7.104.0/24 18.0.0.0/11
18.7.115.0/24 18.0.0.0/11
18.7.116.0/24 18.0.0.0/11
18.7.130.0/24 18.0.0.0/11
18.7.131.0/24 18.0.0.0/11
18.7.132.0/24 18.0.0.0/11
18.7.133.0/24 18.0.0.0/11
18.7.134.0/24 18.0.0.0/11
18.7.135.0/24 18.0.0.0/11
18.8.0.0/16 18.0.0.0/11
18.9.0.0/16 18.0.0.0/11
18.9.0.0/24 18.0.0.0/11
18.9.1.0/24 18.0.0.0/11
18.9.21.0/24 18.0.0.0/11
18.9.22.0/24 18.0.0.0/11
18.9.25.0/24 18.0.0.0/11
18.9.37.0/24 18.0.0.0/11
18.9.46.0/24 18.0.0.0/11
18.9.47.0/24 18.0.0.0/11
18.9.49.0/24 18.0.0.0/11
18.9.60.0/24 18.0.0.0/11
18.9.62.0/24 18.0.0.0/11
18.9.90.0/24 18.0.0.0/11
18.10.0.0/16 18.0.0.0/11
18.11.0.0/16 18.0.0.0/11
18.12.0.0/16 18.0.0.0/11
18.13.0.0/16 18.0.0.0/11
18.14.0.0/16 18.0.0.0/11
18.15.0.0/16 18.0.0.0/11
18.16.0.0/16 18.0.0.0/11
18.17.0.0/16 18.0.0.0/11
18.18.0.0/16 18.0.0.0/11
18.20.0.0/16 18.0.0.0/11
18.21.0.0/16 18.0.0.0/11
18.22.0.0/16 18.0.0.0/11
18.22.55.0/24 18.0.0.0/11
18.23.0.0/16 18.0.0.0/11
18.24.0.0/16 18.0.0.0/11
18.25.0.0/16 18.0.0.0/11
18.25.170.0/24 18.0.0.0/11
18.26.0.0/16 18.0.0.0/11
18.27.0.0/16 18.0.0.0/11
18.29.0.0/16 18.0.0.0/11
18.31.0.0/16 18.0.0.0/11
38.126.196.0/24 38.0.0.0/8
74.254.196.0/23 74.252.0.0/14
104.167.234.0/24 104.167.232.0/22
128.30.32.0/24 128.30.0.0/16
128.30.52.0/24 128.30.0.0/16
18.3.156.0/24 18.0.0.0/11
103.50.169.0/24 103.50.168.0/22
103.229.201.0/24 103.229.200.0/23
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 38.126.196.0/24 Announced
+ 74.254.196.0/23 Announced
+ 91.232.102.0/24 Announced
+ 104.167.234.0/24 Announced
- 18.3.156.0/24 Withdrawn
- 102.214.143.0/24 Withdrawn
- 103.50.169.0/24 Withdrawn
- 103.229.201.0/24 Withdrawn
whois: 402609
IANA has recorded AS3 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS3\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: 3
ASName: MIT-GATEWAYS
ASHandle: AS3
RegDate:
Updated: 2025-12-02
Ref: https://rdap.arin.net/registry/autnum/3
OrgName: Massachusetts Institute of Technology
OrgId: MIT-2
Address: Room W92-167
Address: 77 Massachusetts Avenue
City: Cambridge
StateProv: MA
PostalCode: 02139-4307
Country: US
RegDate:
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/MIT-2
OrgRoutingHandle: MNO78-ARIN
OrgRoutingName: MIT Network Operations
OrgRoutingPhone: +1-617-253-8400
OrgRoutingEmail: noc@mit.edu
OrgRoutingRef: https://rdap.arin.net/registry/entity/MNO78-ARIN
OrgTechHandle: BROWN2958-ARIN
OrgTechName: Brown, Olu
OrgTechPhone: +1-617-258-7870
OrgTechEmail: obrown@mit.edu
OrgTechRef: https://rdap.arin.net/registry/entity/BROWN2958-ARIN
OrgDNSHandle: MNO78-ARIN
OrgDNSName: MIT Network Operations
OrgDNSPhone: +1-617-253-8400
OrgDNSEmail: noc@mit.edu
OrgDNSRef: https://rdap.arin.net/registry/entity/MNO78-ARIN
OrgAbuseHandle: MNS18-ARIN
OrgAbuseName: MIT Network Security
OrgAbusePhone: +1-617-324-1782
OrgAbuseEmail: arin-mit-security@mit.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/MNS18-ARIN
OrgNOCHandle: MNO78-ARIN
OrgNOCName: MIT Network Operations
OrgNOCPhone: +1-617-253-8400
OrgNOCEmail: noc@mit.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/MNO78-ARIN
OrgTechHandle: GOMES41-ARIN
OrgTechName: Gomes, Marco
OrgTechPhone: +1-617-253-0336
OrgTechEmail: mgomes@mit.edu
OrgTechRef: https://rdap.arin.net/registry/entity/GOMES41-ARIN
RAbuseHandle: MNS18-ARIN
RAbuseName: MIT Network Security
RAbusePhone: +1-617-324-1782
RAbuseEmail: arin-mit-security@mit.edu
RAbuseRef: https://rdap.arin.net/registry/entity/MNS18-ARIN
RNOCHandle: MNO78-ARIN
RNOCName: MIT Network Operations
RNOCPhone: +1-617-253-8400
RNOCEmail: noc@mit.edu
RNOCRef: https://rdap.arin.net/registry/entity/MNO78-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.
#