Data as of Nov 8, 2026
198.173.64.0/18
Anonymizer · ISP proxyNTT America, Inc.
IPv4 market
Path
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 198.173.64.0/18 | /24s |
|---|---|---|
| Rackdog | 16,384100% | 64 |
Leased from
Owners leasing their own space
| Name | In 198.173.64.0/18 | /24s |
|---|---|---|
| NTT America, Inc. | 16,384100% | 64 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 198.173.64.0/20 since Dec 2025 | AS6079 | ISP proxy | IP broker Rackdog | NTT America, Inc. | |
| 198.173.80.0/20 since Dec 2025 | AS6079 | ISP proxy | IP broker Rackdog | NTT America, Inc. | |
| 198.173.96.0/20 since Dec 2025 | AS6079 | ISP proxy | IP broker Rackdog | NTT America, Inc. | |
| 198.173.112.0/20 since Dec 2025 | AS6079 | ISP proxy | IP broker Rackdog | NTT America, Inc. |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 198. | 262,144 | NTTA-198-170 | NTT America, Inc. (NTTAM-1) · US | Direct Allocation | May 6, 1993 | abuse@ |
| └ 198.173.64.0/18 | 16,384 | RCN-198-173-64 | RCN (C11598233) · US | Reassigned | May 19, 2026 | abuse@ via NTTA-198-170 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 198.172.0.0/15
- Prefix
- 198.172.0.0/15
- Announced by
- AS2914 NTT America, Inc.
- Type
- Internet provider
- Anonymizer addresses
- none
- Proxy exits
- 3
- RPKI
- RPKI valid
- Netname
- NTTA-198-170
- Registrant
- NTT America, Inc.
- RIR
- ARIN
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
Routing timeline
Who has announced 198.172.0.0/15
198.172.0.0/15
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 198.172.0.0/15 | AS2914 | /15 | ARIN | RPKI valid |
IRR
Route objects on 198.172.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2914 | NTTCOM | NTT-2 | MAINT-NTTCOM-BB | May 9, 2025 |
Whois
Registration for this announcement
- Range
- 198.
170. 0. 0 - 198. 173. 255. 255 - Netname
- NTTA-198-170
- Registrant
- NTT America, Inc.
- Organization
- NTT America, Inc. (NTTAM-1)
- Org address
- 15809 Bear Creek Pkwy, Redmond, WA, 98052
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-198-170-0-0-1
- Parent
- NET-198-0-0-0-0
- Created
- May 6, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- May 6, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ntt. net - Name
- NTT America Abuse Contact
- Phone
- +1-877-688-6625
- Handle
- NAAC-ARIN