CIDR Range

78.187.31.0/24

256 IPs /24 Turk Telekom AS9121 Türkiye RIPE

Addresses

256

IP Range

78.187.31.0

→ 78.187.31.255

Sub-ranges

within this block

PTR Density

100.0%

256 of 256 IPs have PTR

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100

Moderate

How this score is built

Baseline (neutral) 65
Active-threat / abuse risk −12
Long-established allocation (19y) +6
Has a reverse-DNS (PTR) record +5
Isp allocation +5
Trust score 69 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 78.187.31.0/24

CIDR	IPs	Organization	ASN	Country
78.187.31.0/25	128	Turk Telekom	AS9121	TR
78.187.31.128/26	64	Turk Telekom	AS9121	TR
78.187.31.192/27	32	Turk Telekom	AS9121	TR
78.187.31.224/28	16	Turk Telekom	AS9121	TR
78.187.31.248/29	8	Turk Telekom	AS9121	TR
78.187.31.244/30	4	Turk Telekom	AS9121	TR
78.187.31.240/31	2	Turk Telekom	AS9121	TR
78.187.31.242/32	1	Turk Telekom	AS9121	TR
78.187.31.243/32	1	Turk Telekom	AS9121	TR

First and last addresses in 78.187.31.0/24

78.187.31.0/24 runs from 78.187.31.0 to 78.187.31.255.

First 16

78.187.31.0 78.187.31.1 78.187.31.2 78.187.31.3 78.187.31.4 78.187.31.5 78.187.31.6 78.187.31.7 78.187.31.8 78.187.31.9 78.187.31.10 78.187.31.11 78.187.31.12 78.187.31.13 78.187.31.14 78.187.31.15

Last 16

78.187.31.240 78.187.31.241 78.187.31.242 78.187.31.243 78.187.31.244 78.187.31.245 78.187.31.246 78.187.31.247 78.187.31.248 78.187.31.249 78.187.31.250 78.187.31.251 78.187.31.252 78.187.31.253 78.187.31.254 78.187.31.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 78.187.28.0/22.

Announced prefix

78.187.28.0/22

Origin AS

AS47331

⚠ 2 origins (MOAS)

Announcement samples

109

Last seen

2026-10-26 06:17:11

Origins seen: AS47331 · 109 AS9121 · 63

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date	Event	From	To	RIR
2026-05-10	New Allocation	—	TR	ripe

Frequently Asked Questions

What is 78.187.31.0/24?

78.187.31.0/24 is a CIDR network block containing 256 IPv4 addresses (from 78.187.31.0 to 78.187.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 78.187.31.0/24 network?

The 78.187.31.0/24 range is allocated to Turk Telekom and announced via AS9121 from Türkiye.

How many IP addresses are in 78.187.31.0/24?

78.187.31.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-10-27 15:39:06 UTC