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Data as of Nov 3, 2026

131.143.72.0/22

Anonymizer · ISP proxy

NTT America, Inc. · space held by Syncful LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS2914
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Aug 2026
from AS19695 Dyfend LLC
IPv4 market

Path

Announced by AS2914 since Aug 2026 · 10 wk ago
1 · Holder
Syncful LLC
record created Nov 10, 2025
2 · Leased from
Syncful LLC
its owner, directly
3 · Announced by
AS2914 NTT America, Inc.
since Aug 2026 · 10 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 131.143.72.0/22/24s
Syncful LLC
1,024100%
4

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

131.143.72.0/22

From the registry to its use

  1. Nov 8, 2025– Aug 22, 2026
    Announced
    AS19695 Dyfend LLC
    Hosting
  2. Nov 10, 2025
    Registry record
    Syncful LLC
    Direct Allocation
    131.143.72.0/22
  3. Aug 23, 2026– Nov 2, 2026
    Announced
    AS2914 NTT America, Inc.
    Internet provider
  4. Aug 24, 2026
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-SL-2190
  5. Aug 27, 2026
    Route object
    AS214432 Zhilian Technology CO., LTD.
    ARIN route object for AS214432 Zhilian Technology CO., LTD., maintainer MNT-SL-2190

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS2914

US
Name
NTT America, Inc.
Type
Internet provider
Registered
Dec 7, 1998
Domain
ntt.net
Website
www.gin.ntt.net/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed