AS Number
AS0
AS Name
MCI-ASN
Org Name
Verizon Business
Registry

arin

RegDate

2006-05-30

Updated

2024-02-12

AS3378 Looking Glass
IPv4Prefixes

51

IPv6Prefixes

0

IPv4 NUMs

66,048

IPv6 NUMs(/64)

0

66,048 IPv4 Addresses
CIDR Description IP Num
142.77.1.0/24 Verizon Business 256
142.77.8.0/22 Verizon Business 1024
142.77.14.0/24 Verizon Business 256
142.77.32.0/24 Verizon Business 256
142.77.46.0/24 Verizon Business 256
142.77.72.0/21 Verizon Business 2048
142.77.80.0/20 Verizon Business 4096
146.1.1.0/24 VC32 256
146.1.2.0/24 VC32 256
146.1.4.0/23 VC32 512
146.1.6.0/24 VC32 256
146.1.16.0/23 VC32 512
146.1.24.0/21 VC32 2048
146.1.40.0/21 VC32 2048
159.24.64.0/20 Verizon Business 4096
159.98.72.0/21 Verizon Business 2048
159.98.104.0/21 Verizon Business 2048
159.98.112.0/22 Verizon Business 1024
162.47.128.0/20 Verizon Business (MCICS) 4096
162.47.144.0/23 Verizon Business (MCICS) 512
162.47.146.0/23 Verizon Business (MCICS) 512
165.122.128.0/20 WilTel 4096
166.34.64.0/18 Verizon Business 16384
166.38.96.0/19 Verizon Business 8192
166.38.132.0/23 Verizon Business 512
166.38.135.0/24 Verizon Business 256
166.38.136.0/23 Verizon Business 512
166.38.138.0/24 Verizon Business 256
198.4.4.0/24 Verizon Business 256
198.4.5.0/24 Verizon Business 256
198.4.6.0/24 Verizon Business 256
198.4.7.0/24 Verizon Business 256
198.4.8.0/24 Verizon Business 256
198.4.9.0/24 Verizon Business 256
198.168.54.0/24 Rezonet Internet Services 256
198.168.73.0/24 Rezonet Internet Services 256
199.249.16.0/24 Verizon Business 256
199.249.16.0/20 Verizon Business 4096
199.249.17.0/24 Verizon Business 256
199.249.18.0/24 Verizon Business 256
199.249.19.0/24 Verizon Business 256
199.249.20.0/24 Verizon Business 256
199.249.21.0/24 Verizon Business 256
199.249.22.0/24 Verizon Business 256
199.249.23.0/24 Verizon Business 256
199.249.24.0/24 Verizon Business 256
199.249.26.0/24 Verizon Business 256
199.249.27.0/24 Verizon Business 256
199.249.29.0/24 Verizon Business 256
205.150.160.0/22 Verizon Business 1024
208.225.160.0/24 Verizon Business 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS701 UUNET - Verizon Business, US United States 41,399,040 1,241,262,915,584 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3371 MCI-ASN - Verizon Business, US United States 1,573,888 8,589,934,592 IPv4 IPv4
AS3372 MCI-ASN - Verizon Business, US United States 453,376 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS3377 MCI-ASN - Verizon Business, US United States 78,336 0 IPv4 IPv4
IP Address Domain NUMs Domains
142.77.1.1 3 ns.29733.20131202.deleted.gkg.net.
142.77.1.5 3 ns.rezonet.net.
142.77.1.58 3 mail.uunet.ca
142.77.1.61 1 ns01.ca.mci.com
142.77.1.75 2 www.uunet.ca
142.77.1.107 1 pop.uunet.ca
142.77.1.254 2 uunet.ca
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:        2024-02-12
Ref:            https://rdap.arin.net/registry/entity/MCICS


OrgAbuseHandle: ABUSE5603-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-800-900-0241 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5603-ARIN

OrgAbuseHandle: ABUSE3-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-800-900-0241 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3-ARIN

OrgDNSHandle: VZDNS1-ARIN
OrgDNSName:   VZ-DNSADMIN
OrgDNSPhone:  +1-800-900-0241 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/VZDNS1-ARIN

OrgTechHandle: SWIPP9-ARIN
OrgTechName:   SWIPPER
OrgTechPhone:  +1-800-900-0241 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/SWIPP9-ARIN