Data as of Nov 8, 2026
205.251.16.0/21
No anonymizer space · no proxy exits in 30 daysAtlantic Metro Communications II, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.251.0.0/17 since Jun 2021 | AS29838 | Hosting | Atlantic Metro Communications II, Inc. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.251.18.0/24 since Feb 2021 | AS399232 | Business | Atlantic Metro Communications II, Inc. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 205.251.0.0/17 | 32,768 | NET-205-251-0-0-1 | Atlantic Metro Communications II, Inc. (AMCI-3) · US | Direct Allocation | Aug 11, 2009 | abuse@ |
| └ 205.251.16.72/30 | 4 | NET-205-251-16-72-1 | unknown | — | — | — |
| └ 205.251.16.76/30 | 4 | NET-205-251-16-76-1 | unknown | — | — | — |
| └ 205.251.18.0/24 | 256 | SETON-HOME | Seton Home Study School (C07789977) · US | Reassigned | Mar 1, 2021 | abuse@ via NET-205-251-0-0-1 |
| └ 205.251.22.0/28 | 16 | AT4WIRELESS-02 | unknown | — | — | — |
| └ 205.251.22.24/29 | 8 | FRIT-ER1 | unknown | — | — | — |
| └ 205.251.22.64/26 | 64 | VENTERA-01 | unknown | — | — | — |
| └ 205.251.22.128/27 | 32 | TRANQUIL-HOSTING-01 | unknown | — | — | — |
| └ 205.251.22.160/27 | 32 | HIGHCASTLE-01 | unknown | — | — | — |
| └ 205.251.22.240/28 | 16 | ZAYO-NETWORK-01 | unknown | — | — | — |
| └ 205.251.23.192/26 | 64 | ESEC-NET-NET-02 | unknown | — | — | — |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 1,792 | 88% | 2 | |
| Business | 256 | 13% | 1 |
Network & registry
Origin network
AS29838
US
- Name
- Atlantic Metro Communications II, Inc.
- Type
- Hosting
- Registered
- May 14, 2003
- Domain
- atlanticmetro.net
- Website
- 365datacenters.com/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2016
- Current origin since
- Jun 2021 · 5.4 yr
- Origin networks
- 2
- Last change of origin
- Jul 2020
Recorded history
History
- Handoffs
- 1
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 205.251.16.0/24 | AS33597 | ALTDB | INFORELAY-DCA1 | MAINT-AS33597 | Oct 28, 2010 |
| 205.251.19.0/24 | AS33597 | ALTDB | INFORELAY-DCA1 | MAINT-AS33597 | Oct 28, 2010 |
| 205.251.21.0/24 | AS33597 | ALTDB | INFORELAY-DCA1 | MAINT-AS33597 | Oct 28, 2010 |
| 205.251.23.0/24 | AS33597 | ALTDB | INFORELAY-DCA1 | MAINT-AS33597 | Oct 28, 2010 |
Whois
Registration for this announcement
- Range
- 205.
251. 0. 0/ 17 - Netname
- NET-205-251-0-0-1
- Registrant
- Atlantic Metro Communications II, Inc.
- Organization
- Atlantic Metro Communications II, Inc. (AMCI-3)
- Org address
- 4 Century Dr, Parsippany, NJ, 07054
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-251-0-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Aug 11, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 11, 2009
- Status
- assigned
Report abuse
Abuse contact
- abuse@
atlanticmetro. net - Name
- AMC Abuse
- Phone
- +1-866-365-6246;ext1
- Handle
- AMCAB-ARIN