Block 23.191.137.0

← back to the map index · 23.0.0.0/8

Range	23.191.137.0 - 23.191.151.255
Prefix	not a CIDR block
Size	3,840 addresses
Status	reserved — not operator-held
Registry	arin
Country (delegation)	—
Date	—
Opaque id	—
Block UUID	`16583269-1874-5ca6-98f5-979f02f8634a`
Probes	216
RDAP state	parent — the registry object is a parent: 23.0.0.0 - 23.255.255.255
RDAP service	rdap.arin.net
RDAP fetched	2026-09-10T22:33:36Z
Flags	P RDAP answered with a parent object, not this block

RIR delegation record

registry	arin
country
type	ipv4
start	23.191.137.0
value	3,840
date
status	reserved
extensions	['']

RDAP summary

handle	NET-23-0-0-0-0
name	NET23
type	—
parent handle	—
start address	23.0.0.0
end address	23.255.255.255
country	—
organization	American Registry for Internet Numbers
events	{"last changed": "2010-12-09T10:40:59-05:00", "registration": "2010-11-30T00:00:00-05:00"}
entities	1: registrant × 1 (contact details are not published)

Who operates this: the layers, side by side

Delegation file	reserved
Registry object	parent — the registry object is a parent: 23.0.0.0 - 23.255.255.255
Routing	AS400050 Ology Newswire, Inc. (ARIN organization handle ON-70, Monticello, Indiana; no network object for these addresses), announcing 23.191.144.0/24 - 23.191.151.0/24, eight of the block's fifteen /24s, first seen 2021-10-21, visibility 322-324 of 324 RIS peers
Authorization	no RPKI ROA (validation status unknown)
DNS pointing here	ology.com, feed/list/beacon/link/api/archive.ology.com -> 23.191.144.8/.9; ns1.ology.com -> 23.191.145.2
Registrant	hidden behind Domains By Proxy, LLC (GoDaddy's privacy service); registry expiry 2029-03-07
Operators named	Ology Media, Inc. (2012 legal pages), NewPress, LLC (2012-2018 DMCA and privacy pages), Ology Newswire, Inc. (the ASN name today)
Application	Vue single-page app whose only data source is https://feed.ology.com/feed/<topic>/latest.jsonl; the feed times out, and the named services answer 400 (feed, list, link, api), 403 (beacon), 500 (archive)
Publication	ology.substack.com 'Public Square Networks': at least seven posts, June and July 2021 (a manifesto burst on 2021-07-21), dormant since; the early engagement is single digits
Organization	IN-70 ... ARIN org ON-70, registered 2021-09-10, PO Box 834, Monticello IN; Indiana corporation OLOGY NEWSWIRE, INC., entity 202108261519136, 2021-08-26; remarks: https://ology.com, Virtual Public Square
Earlier operators	Ology Media, Inc. (a 2010 Series A, a 2012 Android app with Zumobi), then NewPress, LLC (2012-2018 legal pages)
Why so many addresses	a legacy non-CIDR reservation of 3,840 addresses (15 x /24) inside ARIN's own 23/8; 2,573 of the 6,094 ARIN records in that /8 are non-CIDR, against 3.3% across all ARIN records, so the size is an artifact of pre-CIDR history
Certificate	ology.com: DNS:ology.com; valid Mar 2 12:14:32 2025 GMT to May 31 12:14:31 2025 GMT, verified False, SHA-256 cca6c482734b510076c86e33…

The registry's verbatim RDAP answer is kept in the local work product dataflow.out/02_ip_block.json and is not published, because it carries registrant contact details.