AS Name
MCI-ASN
Org Name
MCI
Registry Region
United States
Looking Glass
IPv4Prefixes

56

IPv6Prefixes

0

IPv4 NUMs

67,584

IPv6 NUMs(/64)

0

67,584 IPv4 Addresses
CIDR Description IP Num
142.77.1.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
142.77.8.0/22 MCI Communications Services, Inc. d/b/a Verizon Business 1024
142.77.14.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
142.77.32.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
142.77.46.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
142.77.72.0/21 MCI Communications Services, Inc. d/b/a Verizon Business 2048
142.77.80.0/20 MCI Communications Services, Inc. d/b/a 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
146.1.7.0/24 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 MCI Telecommunications Corporation 4096
159.98.72.0/21 MCI Communications Services, Inc. d/b/a Verizon Business 2048
159.98.104.0/21 MCI Communications Services, Inc. d/b/a Verizon Business 2048
159.98.112.0/22 MCI Communications Services, Inc. d/b/a Verizon Business 1024
162.47.15.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
162.47.128.0/20 MCI Communications Services, Inc. d/b/a Verizon Business 4096
162.47.144.0/23 MCI Communications Services, Inc. d/b/a Verizon Business 512
162.47.146.0/23 MCI Communications Services, Inc. d/b/a Verizon Business 512
162.47.160.0/22 MCI Communications Services, Inc. d/b/a Verizon Business 1024
165.122.128.0/20 WilTel 4096
166.34.64.0/18 MCI Telecommunications 16384
166.38.96.0/19 MCI Telecommunications 8192
166.38.132.0/23 MCI Telecommunications 512
166.38.135.0/24 MCI Telecommunications 256
166.38.136.0/23 MCI Telecommunications 512
166.38.138.0/24 MCI Telecommunications 256
198.4.4.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
198.4.5.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
198.4.6.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
198.4.7.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
198.4.8.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
198.4.9.0/24 MCI Communications Services, Inc. d/b/a 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 MCI 256
199.249.16.0/20 MCI 4096
199.249.17.0/24 MCI 256
199.249.18.0/24 MCI 256
199.249.19.0/24 MCI 256
199.249.20.0/24 MCI 256
199.249.21.0/24 MCI 256
199.249.22.0/24 MCI 256
199.249.23.0/24 MCI 256
199.249.24.0/24 MCI 256
199.249.25.0/24 MCI 256
199.249.26.0/24 MCI 256
199.249.27.0/24 MCI 256
199.249.29.0/24 MCI 256
199.249.30.0/23 MCI 512
205.150.160.0/22 MCI Communications Services, Inc. d/b/a Verizon Business 1024
208.225.160.0/24 MCI Communications Services, Inc. d/b/a Verizon Business 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS701 UUNET - MCI Communications Services, Inc. d/b/a Verizon Business, US United States 42,511,360 1,241,262,981,120 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3371 MCI-ASN - MCI, US United States 1,368,064 0 IPv4 IPv4
AS3372 MCI-ASN - MCI, US United States 400,896 0 IPv4 IPv4
AS3377 MCI-ASN - MCI, US United States 78,336 0 IPv4 IPv4
IP Address Domain NUMs Domains
142.77.1.1 1 ns.uunet.ca
142.77.1.5 1 ns2.uunet.ca
142.77.1.58 3 mail.uunet.ca
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:        2009-08-27    
Ref:            https://rdap.arin.net/registry/autnum/3369


OrgName:        MCI
OrgId:          MCI-1
Address:        MCI Systems Engineering2424 Garden
Address:        of Gods Rd.
City:           Colorado Springs
StateProv:      CO
PostalCode:     80919
Country:        US
RegDate:        1993-05-19
Updated:        2009-12-07
Ref:            https://rdap.arin.net/registry/entity/MCI-1


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

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

OrgNOCHandle: OA12-ARIN
OrgNOCName:   UUnet Technologies, Inc., Technologies 
OrgNOCPhone:  +1-800-900-0241 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/OA12-ARIN