Internal Revenue Service

IPv4 IPv6

Networks by country: United States United States (47), China China (1), Ghana Ghana (1)

Assigned AS: AS30313
Updated: 03 July 2020

We found 48 IPv4 networks operated by this organization:
Results sorted by network size.

United States Internal Revenue Service
IRSNET

CIDR: N/A
IP Range: 152.216.0.0 - 152.225.255.255
Block size: 655,360

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United States Internal Revenue Service
IRSNET11

CIDR: 204.62.146.0/24
IP Range: 204.62.146.0 - 204.62.146.255
Block size: 256

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United States Internal Revenue Service
INTERNAL23-193

CIDR: 12.43.193.0/24
IP Range: 12.43.193.0 - 12.43.193.255
Block size: 256

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China Internal Revenue Service
YAGNZHOU-TAX-BUREAU

Yangzhou City
Jiangsu Province

CIDR: 61.177.184.160/27
IP Range: 61.177.184.160 - 61.177.184.191
Block size: 32

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United States Internal Revenue Service
INTERNAL25-176-64

CIDR: 12.41.176.64/27
IP Range: 12.41.176.64 - 12.41.176.95
Block size: 32

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United States Internal Revenue Service
INTERNAL38-176-64

CIDR: 12.131.176.64/27
IP Range: 12.131.176.64 - 12.131.176.95
Block size: 32

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United States Internal Revenue Service
INTERNAL75-248-64

CIDR: 12.207.248.64/27
IP Range: 12.207.248.64 - 12.207.248.95
Block size: 32

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United States Internal Revenue Service
INTERNAL81-249-32

CIDR: 12.207.249.32/27
IP Range: 12.207.249.32 - 12.207.249.63
Block size: 32

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United States Internal Revenue Service
INTERNAL13-248-128

CIDR: 12.231.248.128/27
IP Range: 12.231.248.128 - 12.231.248.159
Block size: 32

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United States Internal Revenue Service
QWEST-IAD-IRS7

CIDR: 66.77.65.224/28
IP Range: 66.77.65.224 - 66.77.65.239
Block size: 16

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United States Internal Revenue Service
QWEST-IAD-IRS8

CIDR: 66.77.65.240/28
IP Range: 66.77.65.240 - 66.77.65.255
Block size: 16

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United States Internal Revenue Service
INTERNAL68-178-208

CIDR: 12.13.178.208/28
IP Range: 12.13.178.208 - 12.13.178.223
Block size: 16

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United States Internal Revenue Service
INTERNAL54-117-64

CIDR: 12.17.117.64/28
IP Range: 12.17.117.64 - 12.17.117.79
Block size: 16

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United States Internal Revenue Service
INTERNAL35-192-0

CIDR: 12.24.192.0/28
IP Range: 12.24.192.0 - 12.24.192.15
Block size: 16

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United States Internal Revenue Service
INTERNAL42-192-32

CIDR: 12.24.192.32/28
IP Range: 12.24.192.32 - 12.24.192.47
Block size: 16

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United States Internal Revenue Service
INTERNAL93-97-112

CIDR: 12.29.97.112/28
IP Range: 12.29.97.112 - 12.29.97.127
Block size: 16

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United States Internal Revenue Service
INTERNAL23-240-16

CIDR: 12.29.240.16/28
IP Range: 12.29.240.16 - 12.29.240.31
Block size: 16

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United States Internal Revenue Service
INTERNAL82-51-16

CIDR: 12.36.51.16/28
IP Range: 12.36.51.16 - 12.36.51.31
Block size: 16

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United States Internal Revenue Service
INTERNAL31-20-96

CIDR: 12.38.20.96/28
IP Range: 12.38.20.96 - 12.38.20.111
Block size: 16

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United States Internal Revenue Service
INTERNAL12-85-128

CIDR: 12.38.85.128/28
IP Range: 12.38.85.128 - 12.38.85.143
Block size: 16

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United States Internal Revenue Service
INTERNAL43-112-32

CIDR: 12.39.112.32/28
IP Range: 12.39.112.32 - 12.39.112.47
Block size: 16

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United States Internal Revenue Service
INTERNAL31-32-48

CIDR: 12.42.32.48/28
IP Range: 12.42.32.48 - 12.42.32.63
Block size: 16

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United States Internal Revenue Service
INTERNAL45-65-176

CIDR: 12.43.65.176/28
IP Range: 12.43.65.176 - 12.43.65.191
Block size: 16

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United States Internal Revenue Service
INTERNAL93-116-192

CIDR: 12.110.116.192/28
IP Range: 12.110.116.192 - 12.110.116.207
Block size: 16

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United States Internal Revenue Service
INTERNAL63-96-192

CIDR: 12.144.96.192/28
IP Range: 12.144.96.192 - 12.144.96.207
Block size: 16

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United States Internal Revenue Service
INTERNAL52-227-48

CIDR: 12.144.227.48/28
IP Range: 12.144.227.48 - 12.144.227.63
Block size: 16

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United States Internal Revenue Service
INTERNAL31-186-144

CIDR: 12.149.186.144/28
IP Range: 12.149.186.144 - 12.149.186.159
Block size: 16

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United States Internal Revenue Service
INTERNAL81-224-96

CIDR: 12.152.224.96/28
IP Range: 12.152.224.96 - 12.152.224.111
Block size: 16

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United States Internal Revenue Service
INTERNAL92-46-96

CIDR: 12.153.46.96/28
IP Range: 12.153.46.96 - 12.153.46.111
Block size: 16

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United States Internal Revenue Service
INTERNAL84-117-16

CIDR: 12.156.117.16/28
IP Range: 12.156.117.16 - 12.156.117.31
Block size: 16

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United States Internal Revenue Service
INTERNAL25-103-128

CIDR: 12.160.103.128/28
IP Range: 12.160.103.128 - 12.160.103.143
Block size: 16

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United States Internal Revenue Service
INTERNAL91-38-0

CIDR: 12.163.38.0/28
IP Range: 12.163.38.0 - 12.163.38.15
Block size: 16

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United States Internal Revenue Service
INTERNAL63-249-208

CIDR: 12.166.249.208/28
IP Range: 12.166.249.208 - 12.166.249.223
Block size: 16

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United States Internal Revenue Service
INTERNAL22-207-160

CIDR: 12.173.207.160/28
IP Range: 12.173.207.160 - 12.173.207.175
Block size: 16

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United States Internal Revenue Service
INTERNAL11-193-240

CIDR: 12.193.193.240/28
IP Range: 12.193.193.240 - 12.193.193.255
Block size: 16

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United States Internal Revenue Service
SBC-108-221-224-160-29-1210155100

CIDR: 108.221.224.160/29
IP Range: 108.221.224.160 - 108.221.224.167
Block size: 8

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United States Internal Revenue Service
INTERNAL14-36-96

CIDR: 12.25.36.96/29
IP Range: 12.25.36.96 - 12.25.36.103
Block size: 8

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United States Internal Revenue Service
INTERNAL91-147-56

CIDR: 12.31.147.56/29
IP Range: 12.31.147.56 - 12.31.147.63
Block size: 8

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United States Internal Revenue Service
INTERNAL85-80-40

CIDR: 12.38.80.40/29
IP Range: 12.38.80.40 - 12.38.80.47
Block size: 8

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United States Internal Revenue Service
SBC-99-130-137-24-29-0711060940

CIDR: 99.130.137.24/29
IP Range: 99.130.137.24 - 99.130.137.31
Block size: 8

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United States Internal Revenue Service
SBC-99-130-137-104-29-0711060434

CIDR: 99.130.137.104/29
IP Range: 99.130.137.104 - 99.130.137.111
Block size: 8

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United States Internal Revenue Service
SBC07501106813629060412232406

CIDR: 75.11.68.136/29
IP Range: 75.11.68.136 - 75.11.68.143
Block size: 8

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United States Internal Revenue Service
INTERNAL38-48-72

CIDR: 12.229.48.72/29
IP Range: 12.229.48.72 - 12.229.48.79
Block size: 8

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United States Internal Revenue Service
INTERNAL52-48-88

CIDR: 12.229.48.88/29
IP Range: 12.229.48.88 - 12.229.48.95
Block size: 8

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United States Internal Revenue Service
INTERNAL84-248-24

CIDR: 12.231.248.24/29
IP Range: 12.231.248.24 - 12.231.248.31
Block size: 8

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United States Internal Revenue Service
UU-65-205-34-248

CIDR: 65.205.34.248/29
IP Range: 65.205.34.248 - 65.205.34.255
Block size: 8

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United States Internal Revenue Service
UU-65-205-157-8

CIDR: 65.205.157.8/29
IP Range: 65.205.157.8 - 65.205.157.15
Block size: 8

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Ghana Internal Revenue Service
IRS

CIDR: 41.222.232.136/30
IP Range: 41.222.232.136 - 41.222.232.139
Block size: 4

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