IPv4 prefix

139.181.0.0/16

IP Prefix (CIDR)
139.181.0.0/16
Subnet Mask
255.255.0.0
Address Count
65,536
Registration 1 of 4
Owner
Siemens Industry Software Inc.
Handle
SIS-377
Address
8005 SW Boeckman Road Wilsonville OR 97070-7777 United States
Registry
ARIN
Registered Prefix
139.181.0.0/16 (139.181.0.0 - 139.181.255.255)
Registration 2 of 4
Owner
Siemens Industry Software Inc.
Handle
C09707042
Address
8005 SW Boeckman Road Wilsonville OR 97070-7777 United States
Registry
ARIN
Registered Prefix
139.181.12.0/22 (139.181.12.0 - 139.181.15.255)
Delegated Prefix
139.181.0.0/16 (139.181.0.0 - 139.181.255.255)
Registration 3 of 4
Owner
Siemens Industry Software Inc.
Handle
C09707041
Address
8005 SW Boeckman Road Wilsonville OR 97070-7777 United States
Registry
ARIN
Registered Prefix
139.181.17.0/24 (139.181.17.0 - 139.181.17.255)
Delegated Prefix
139.181.0.0/16 (139.181.0.0 - 139.181.255.255)
Registration 4 of 4
Owner
Siemens EDA India Private Limited
Handle
C07458024
Address
Unit-1, Parcel-3-9th Floor, Salarpuria-Sattva Knowledge City Silpa Gram Craft Village, HITEC City Hyderabad Telangana 500081 India
Registry
ARIN
Registered Prefix
139.181.30.0/24 (139.181.30.0 - 139.181.30.255)
Delegated Prefix
139.181.0.0/16 (139.181.0.0 - 139.181.255.255)
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
139.181.5.0/24 More specific AS27628 Innovation Saskatchewan Canada (CA) 139.181.5.0 139.181.5.255
139.181.8.0/24 More specific AS7015 Comcast Cable Communications LLC United States of America (US) 139.181.8.0 139.181.8.255
139.181.9.0/24 More specific AS1759 Telia Finland Oyj Finland (FI) 139.181.9.0 139.181.9.255
139.181.12.0/22 More specific AS13541 Siemens Industry Software Inc. United States of America (US) 139.181.12.0 139.181.15.255
139.181.17.0/24 More specific AS13541 Siemens Industry Software Inc. United States of America (US) 139.181.17.0 139.181.17.255
139.181.18.0/24 More specific AS43484 Siemens Industry Software Limited Ireland (IE) 139.181.18.0 139.181.18.255
139.181.24.0/24 More specific AS7725 Comcast Cable Communications LLC United States of America (US) 139.181.24.0 139.181.24.255
139.181.26.0/24 More specific AS33651 Comcast Cable Communications LLC United States of America (US) 139.181.26.0 139.181.26.255
139.181.26.0/24 More specific AS33667 Comcast Cable Communications LLC United States of America (US) 139.181.26.0 139.181.26.255
139.181.28.0/24 More specific AS33652 Comcast Cable Communications LLC United States of America (US) 139.181.28.0 139.181.28.255
139.181.29.0/24 More specific AS207044 Enet Telecommunications Networks Limited Ireland (IE) 139.181.29.0 139.181.29.255
139.181.30.0/23 More specific AS4755 Tata Communications Limited India (IN) 139.181.30.0 139.181.31.255
139.181.32.0/24 More specific AS3216 PJSC Vimpelcom Russian Federation (RU) 139.181.32.0 139.181.32.255
139.181.35.0/24 More specific AS34778 Siemens Industry Software Limited Ireland (IE) 139.181.35.0 139.181.35.255
139.181.36.0/24 More specific AS4755 Tata Communications Limited India (IN) 139.181.36.0 139.181.36.255
139.181.37.0/24 More specific AS17018 Quality Technology Services LLC United States of America (US) 139.181.37.0 139.181.37.255
139.181.38.0/24 More specific AS34778 Siemens Industry Software Limited Ireland (IE) 139.181.38.0 139.181.38.255
139.181.39.0/24 More specific AS12741 Netia SA Poland (PL) 139.181.39.0 139.181.39.255
139.181.40.0/22 More specific AS36564 Siemens Industry Software Inc. United States of America (US) 139.181.40.0 139.181.43.255
139.181.44.0/22 More specific AS43484 Siemens Industry Software Limited Ireland (IE) 139.181.44.0 139.181.47.255
139.181.49.0/24 More specific AS4766 Korea Telecom Korea (the Republic of) (KR) 139.181.49.0 139.181.49.255