AS18259 — HIGE NTT Communications Corporation

AS18259 announces 1 IPv4 prefixes covering 4,096 addresses and 14 IPv6 prefixes.

About this network

The AS handle HIGE is held by NTT DOCOMO BUSINESS, Inc.

What it's used for

• The address space carries corporate infrastructure, evidenced by the netname NTTDOCOMO-JP and registrant NTT DOCOMO Business, Inc across all announced IPv4 blocks.
• The AS announces 4096 IPv4 addresses and 17 IPv6 prefixes against only 3 observed neighbours, indicating a role as an internal corporate estate or business access network rather than a transit provider.

Notable

• All RDAP registrants align with the announcer, consistently listing NTT DOCOMO Business, Inc and the IRT IRT-NTTDOCOMO-JP.
• The inventory consists of five IPv4 prefixes within the 202.178.96.0/21 range and a set of IPv6 prefixes under 2401:4640::/40, reflecting a finely subdivided internal network structure.

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

Announced prefixes

• 202.178.96.0/20
• 2001:218:2200::/40
• 2401:4640::/39
• 2401:4640:171::/48
• 2401:4640:172::/47
• 2401:4640:174::/46
• 2401:4640:178::/45
• 2401:4640:180::/41
• 2401:4640:200::/39
• 2401:4640:400::/38
• 2401:4640:800::/37
• 2401:4640:1000::/36
• 2401:4640:2000::/35
• 2401:4640:4000::/34
• 2401:4640:8000::/33

Upstream networks

• AS2914 NTT America, Inc.
• AS4713 NTT DOCOMO BUSINESS,Inc.

Downstream networks

• AS7674 NTT DOCOMO BUSINESS, Inc

Adjacent networks

• AS2914 NTT America, Inc.
• AS7674 NTT DOCOMO BUSINESS, Inc
• AS4713 NTT DOCOMO BUSINESS,Inc.