AS62597 — NSONE - NSONE Inc

AS62597 announces 17 IPv4 prefixes covering 7,424 addresses and 19 IPv6 prefixes.

About this network

NSONE is operated by NS1, an IBM company.

What it's used for

• The address space carries DNS and traffic management infrastructure, evidenced by netnames NSONE-DNS and NSONE-163-114 associated with registrants IBM and IBM Deutschland GmbH.
• The AS announces 7,936 IPv4 addresses across 18 prefixes and 22 IPv6 prefixes, while maintaining 151 observed neighbours, a ratio indicative of a transit or peering-heavy infrastructure role rather than an access network.
• Traffic from this AS consists of authoritative DNS queries, load balancing decisions, and DDoS mitigation services for enterprise clients, reflecting NS1's business focus on managed DNS and traffic management.

Notable

• Registrants align with the announcer, listing IBM Deutschland GmbH, IBM Singapore Pte Ltd, and IBM for the majority of prefixes, confirming the space is held by IBM entities.
• NS1 was acquired by IBM, which now operates the service as an IBM company, integrating its DNS and traffic management capabilities into IBM's broader cloud and security portfolio.
• The inventory is dominated by the 163.114.0.0/16 range, with smaller blocks in 103.35.0.0/16 and 185.103.0.0/16, reflecting a consolidated corporate estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 103.35.248.0/23
• 103.35.250.0/24
• 163.114.192.0/22
• 163.114.196.0/24
• 163.114.199.0/24
• 163.114.200.0/22
• 163.114.205.0/24
• 163.114.206.0/23
• 163.114.208.0/23
• 163.114.211.0/24
• 163.114.212.0/24
• 163.114.214.0/23
• 163.114.216.0/23
• 163.114.233.0/24
• 163.114.234.0/24
• 185.103.33.0/24
• 198.51.44.0/23
• 2402:cf80:107::/48
• 2402:cf80:1000::/48
• 2402:cf80:1003::/48
• 2402:cf80:1004::/47
• 2402:cf80:1007::/48
• 2620:4d:4000::/48
• 2620:4d:4003::/48
• 2620:4d:4004::/46
• 2620:4d:4008::/47
• 2620:4d:400b::/48
• 2620:4d:400c::/47
• 2620:4d:400f::/48
• 2620:4d:4011::/48
• 2620:4d:4020::/48
• 2620:4d:4040::/48
• 2a00:edc0:107::/48
• 2a00:edc0:1000::/45
• 2a00:edc0:1010::/48
• 2a00:edc0:6259::/48

Upstream networks

• AS1299 Arelion Sweden AB
• AS3356 Level 3 Parent, LLC
• AS2914 NTT America, Inc.
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS4755 TATA Communications formerly VSNL is Leading ISP
• AS37100 SEACOM Limited
• AS1221 Telstra Limited
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS37271 Workonline Communications(Pty) Ltd
• AS3491 PCCW Global (HK) Ltd.
• AS37721 Virtual Technologies & Solutions
• AS14907 Wikimedia Foundation Inc.
• AS24482 SG.GS
• AS34549 meerfarbig GmbH & Co. KG
• AS34019 Hivane Association
• AS25091 IP-Max SA
• AS6696 VERIXI SA
• AS20485 Joint Stock Company TransTeleCom
• AS36236 NetActuate, Inc
• AS213241 TECHIT.BE SRL
• AS212024 Marc Schmitt
• AS48362 Stadtwerke Feldkirch
• AS1836 green.ch AG
• AS17639 Converge ICT Solutions Inc.

Adjacent networks

• AS1299 Arelion Sweden AB
• AS3356 Level 3 Parent, LLC
• AS2914 NTT America, Inc.
• AS174 Cogent Communications, LLC
• AS6939 Hurricane Electric LLC
• AS4755 TATA Communications formerly VSNL is Leading ISP
• AS37100 SEACOM Limited
• AS1221 Telstra Limited
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS37271 Workonline Communications(Pty) Ltd
• AS3491 PCCW Global (HK) Ltd.
• AS37721 Virtual Technologies & Solutions
• AS14907 Wikimedia Foundation Inc.
• AS24482 SG.GS
• AS34549 meerfarbig GmbH & Co. KG
• AS34019 Hivane Association
• AS36236 NetActuate, Inc
• AS25091 IP-Max SA
• AS20485 Joint Stock Company TransTeleCom
• AS6696 VERIXI SA
• AS1836 green.ch AG
• AS213241 TECHIT.BE SRL
• AS212024 Marc Schmitt
• AS17639 Converge ICT Solutions Inc.
• AS48362 Stadtwerke Feldkirch

Routing security

• RPKI: 61 valid, 0 invalid and 0 not-found announcements; 45 ROAs.
• ASPA: none published.
• IRR: 74% of announcements registered; 130 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-ANY2-RS, AS-CN2, AS-CTGNET, AS-CTGNET-CUT, AS-DIGINETITCC-TRANSIT-CUSTOMERS, AS-EQUINIX-AP, AS-EQUINIX-FR, AS-EQUINIX-ME, AS-EQUINIX-PA, AS-EQUINIX-PE, AS-HOSTVIRTUAL, AS-HURRICANEV6, AS-IIJ, AS-IS-INT, AS-ISZA, AS-KDDCUSTOMER2, AS-MANDA-DECIX-PEERS-V4, AS-MANDA-DECIX-PEERS-V6, AS-MOD, AS-NETACTUATE, AS-NETMAGIC-NOK, AS-NSONE, AS-NSONE, AS-PNAPAMS004.

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil
• DE-CIX Frankfurt — Frankfurt, Germany
• LINX LON1 — London, United Kingdom
• AMS-IX Amsterdam — Amsterdam, Netherlands
• NAPAfrica IX Johannesburg — Johannesburg, South Africa
• Equinix Internet Exchange Singapore — Singapore, Singapore
• Coresite - Any2 West — Los Angeles, United States
• Seattle Internet Exchange — Seattle, United States
• Any2 California — Los Angeles, United States
• Equinix Internet Exchange Sydney — Sydney, Australia
• Equinix Internet Exchange Paris — Paris, France
• Equinix Internet Exchange Dallas — Dallas, United States
• Equinix Internet Exchange San Jose (Bay Area) — San Jose, United States
• Equinix Internet Exchange Tokyo — Tokyo, Japan
• Equinix Internet Exchange New York — New York, United States
• DE-CIX Marseille — Marseille, France
• DE-CIX Chicago — Chicago, United States
• LINX NoVa — Reston, United States