
3371 MCI-ASN - Verizon Business, US
Adjacency: 6 Upstream: 2 Downstream: 4
Upstream Adjacent AS list
AS3372 MCI-ASN - Verizon Business, US
AS3378 MCI-ASN - Verizon Business, US
Downstream Adjacent AS list
AS3373 MCI-ASN - Verizon Business, US
AS3376 MCI-ASN - Verizon Business, US
AS3374 MCI-ASN - Verizon Business, US
AS3377 MCI-ASN - Verizon Business, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 306 AS3371 ORG+TRN Originate: 1644544 /11.35 Transit: 70656 /15.89 MCI-ASN - Verizon Business, 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 % 7105 AS3371 MCI-ASN - Verizon Business, US 29 9 3 23 6 20.69% Prefix AS Path Aggregation Suggestion 63.39.0.0/16 4777 2516 701 3378 3371 63.91.192.0/18 4777 2516 701 3378 3371 69.96.0.0/20 4777 2516 701 3378 3371 69.103.0.0/16 4777 2516 701 3378 3371 100.5.64.0/18 4777 2497 701 3378 3371 108.37.128.0/17 4777 2516 701 3378 3371 142.77.8.0/22 4777 2516 701 3378 3371 + Announce - aggregate of 142.77.8.0/23 (4777 2516 701 3378 3371) and 142.77.10.0/23 (4777 2516 701 3378 3371) 142.77.8.0/23 4777 2516 701 3378 3371 - Withdrawn - aggregated with 142.77.10.0/23 (4777 2516 701 3378 3371) 142.77.10.0/23 4777 2516 701 3378 3371 - Withdrawn - aggregated with 142.77.8.0/23 (4777 2516 701 3378 3371) 142.77.72.0/21 4777 2516 701 3378 3371 + Announce - aggregate of 142.77.72.0/22 (4777 2516 701 3378 3371) and 142.77.76.0/22 (4777 2516 701 3378 3371) 142.77.72.0/22 4777 2516 701 3378 3371 - Withdrawn - aggregated with 142.77.76.0/22 (4777 2516 701 3378 3371) 142.77.76.0/22 4777 2516 701 3378 3371 - Withdrawn - aggregated with 142.77.72.0/22 (4777 2516 701 3378 3371) 142.77.80.0/20 4777 2516 701 3378 3371 + Announce - aggregate of 142.77.80.0/21 (4777 2516 701 3378 3371) and 142.77.88.0/21 (4777 2516 701 3378 3371) 142.77.80.0/21 4777 2516 701 3378 3371 - Withdrawn - aggregated with 142.77.88.0/21 (4777 2516 701 3378 3371) 142.77.88.0/21 4777 2516 701 3378 3371 - Withdrawn - aggregated with 142.77.80.0/21 (4777 2516 701 3378 3371) 153.39.96.0/19 4777 2516 701 3378 3371 153.39.128.0/17 4777 2516 701 3378 3371 159.98.0.0/16 4777 2516 701 3378 3371 162.47.152.0/22 4777 2516 701 3378 3372 3371 165.122.48.0/20 4777 2516 701 3378 3371 166.32.0.0/12 4777 2516 701 3378 3371 166.32.192.0/20 4777 2516 701 3378 3371 - Withdrawn - matching aggregate 166.32.0.0/12 4777 2516 701 3378 3371 166.43.0.0/16 4777 2516 701 3378 3371 - Withdrawn - matching aggregate 166.32.0.0/12 4777 2516 701 3378 3371 166.44.248.0/22 4777 2516 701 3378 3371 - Withdrawn - matching aggregate 166.32.0.0/12 4777 2516 701 3378 3371 166.50.0.0/16 4777 2516 701 3378 3371 166.56.0.0/16 4777 2516 701 3378 3371 166.58.0.0/16 4777 2516 701 3378 3371 199.170.112.0/24 4777 2516 701 3378 3371 199.202.116.0/24 4777 2516 701 3378 3371 205.150.160.0/24 4777 2516 701 3378 3371 205.150.162.0/24 4777 2516 701 3378 3371 209.154.224.0/19 4777 2516 701 3378 3371
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS3371 25 More Specifics 29 Total Advertisements MCI-ASN - Verizon Business, US
63.39.0.0/16 63.36.0.0/14
63.91.192.0/18 63.64.0.0/10
69.96.0.0/20 69.96.0.0/13
69.103.0.0/16 69.96.0.0/13
100.5.64.0/18 100.0.0.0/12
108.37.128.0/17 108.32.0.0/12
142.77.8.0/23 142.77.0.0/16
142.77.10.0/23 142.77.0.0/16
142.77.72.0/22 142.77.0.0/16
142.77.76.0/22 142.77.0.0/16
142.77.80.0/21 142.77.0.0/16
142.77.88.0/21 142.77.0.0/16
153.39.96.0/19 153.38.0.0/15
153.39.128.0/17 153.38.0.0/15
162.47.152.0/22 162.47.0.0/16
165.122.48.0/20 165.122.0.0/16
166.32.192.0/20 166.32.0.0/13
166.43.0.0/16 166.42.0.0/15
166.44.248.0/22 166.44.0.0/16
166.50.0.0/16 166.50.0.0/15
199.170.112.0/24 199.170.0.0/15
199.202.116.0/24 199.202.116.0/22
205.150.160.0/24 205.150.0.0/16
205.150.162.0/24 205.150.0.0/16
209.154.224.0/19 209.154.0.0/16
whois: 402603
IANA has recorded AS3371 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS3371\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# If you see inaccuracies in the results, please report at
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 3369 - 3378
ASName: MCI-ASN
ASHandle: AS3369
RegDate: 1994-01-06
Updated: 2024-07-02
Ref: https://rdap.arin.net/registry/autnum/3369
OrgName: Verizon Business
OrgId: MCICS
Address: 22001 Loudoun County Pkwy
City: Ashburn
StateProv: VA
PostalCode: 20147
Country: US
RegDate: 2006-05-30
Updated: 2025-10-28
Ref: https://rdap.arin.net/registry/entity/MCICS
OrgTechHandle: VIS1-ARIN
OrgTechName: Verizon Internet Services
OrgTechPhone: +1-800-243-6994
OrgTechEmail: IPMGMT@verizon.com
OrgTechRef: https://rdap.arin.net/registry/entity/VIS1-ARIN
OrgDNSHandle: VZDNS1-ARIN
OrgDNSName: VZ-DNSADMIN
OrgDNSPhone: +1-800-900-0241
OrgDNSEmail: dnsadmin@verizon.com
OrgDNSRef: https://rdap.arin.net/registry/entity/VZDNS1-ARIN
OrgTechHandle: SWIPP9-ARIN
OrgTechName: SWIPPER
OrgTechPhone: +1-800-900-0241
OrgTechEmail: swipper@verizon.com
OrgTechRef: https://rdap.arin.net/registry/entity/SWIPP9-ARIN
OrgAbuseHandle: ABUSE5603-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-800-900-0241
OrgAbuseEmail: abuse@verizon.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5603-ARIN
OrgAbuseHandle: ABUSE3-ARIN
OrgAbuseName: abuse
OrgAbusePhone: +1-800-900-0241
OrgAbuseEmail: abuse@verizon.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3-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.
#