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IPv4 Address

139.99.31.107

OVH SAS AS16276 · OVH SAS Singapore Singapore ARIN 🛡️ Proxy/VPN (likely) 🖥️ Hosting/DC
Within
139.99.0.0/16
CIDR
/22 · 1.0K IPs
ASN
OVH SAS
Reverse DNS
websec.sv.cmu.edu
Last scanned 10 hr ago
Blocklisted
Checking…
Scanning blocklists

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.

72/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
websec.sv.cmu.edu
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
86400 s
Reverse DNS last checked
2026-07-19 13:47 UTC
Forward DNS last checked
2026-07-19 13:47 UTC

Forward DNS records for websec.sv.cmu.edu

TypeValuePriorityTTL
A 107.6.255.131 300s
A 107.6.255.133 300s
A 107.6.255.149 300s
A 107.6.255.150 300s
A 107.6.255.151 300s
A 107.6.255.152 300s
A 139.99.31.107 300s
A 159.253.44.47 163077s
A 159.253.44.48 300s
A 159.253.47.164 162732s
A 159.253.47.176 300s
A 159.253.47.177 300s
A 172.234.24.211 170645s
A 172.239.57.117 170645s
A 185.174.28.16 300s
A 185.174.29.3 300s
A 185.83.145.8 300s
A 185.83.146.8 162732s
A 185.83.147.10 300s
A 185.95.84.86 163077s
A 185.95.84.92 163613s
A 206.206.125.73 300s
A 212.237.217.251 300s
A 217.18.210.235 300s
A 31.40.204.92 300s
A 37.114.37.207 172799s
A 51.161.109.58 300s
A 67.198.237.209 300s
A 88.214.43.8 300s
A 89.252.158.138 162732s
A 89.252.158.143 162732s
A 89.252.158.144 162732s
A 89.252.158.147 162732s
A 89.252.158.148 162732s
A 89.252.161.224 300s
A 89.252.161.225 300s
A 89.252.161.226 300s
A 89.252.161.227 300s
A 89.252.161.234 162732s
A 89.252.161.235 172800s
A 89.252.162.221 300s
A 89.252.162.222 300s
A 89.252.162.223 300s
A 89.252.162.226 300s
A 89.252.162.228 300s
A 89.252.162.230 300s
A 89.252.169.212 300s
A 89.252.169.213 300s
A 89.252.175.145 162732s
A 89.252.175.146 162732s
A 89.252.175.147 162732s
A 89.252.175.148 162732s
A 89.252.175.155 163077s
A 89.43.31.163 300s
A 89.43.31.176 172800s
A 89.43.31.182 300s
A 89.43.66.198 300s
A 93.113.62.232 162732s
A 93.113.62.237 162732s
A 93.113.62.247 162732s
A 94.102.13.3 300s
A 94.102.13.5 300s
A 95.173.180.109 162732s
A 98.126.153.106 300s
A 98.126.153.121 300s
A 98.126.153.16 300s
A 98.126.153.17 300s
A 98.126.153.2 300s
MX mx.plingest.com 10
NS dns101.registrar-servers.com
NS dns102.registrar-servers.com
NS eric.ns.cloudflare.com
NS ian.ns.cloudflare.com
NS isabel.ns.cloudflare.com
NS kenia.ns.cloudflare.com
TXT v=spf1 -all
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 139.99.31.107

CIDR range
139.99.28.0/22
IP range (int)
2,338,528,256 — 2,338,529,279
Prefix length
/22
Organization
OVH SAS
ASN
AS16276
ASN name
OVH SAS
Location
Singapore, Singapore
Coordinates
1.357800, 103.822300
Accuracy radius
20 km
Postal code
00
Regional Internet Registry
ARIN
Allocated
2016-09-09
Data source(s)
maxmind_city, maxmind_country, ipinfo_lite, maxmind_asn
Last updated
2026-07-11 09:23:20

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
8,771
Last seen
2026-07-19 23:27:53

Frequently Asked Questions

Who owns 139.99.31.107?

139.99.31.107 is allocated to OVH SAS (AS16276), registered in Singapore, Singapore.

Where is 139.99.31.107 located?

The geolocation for 139.99.31.107 maps to Singapore, Singapore based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 139.99.31.107 on?

139.99.31.107 belongs to the 139.99.28.0/22 network block announced by AS16276. This range contains 1,024 addresses.

Does 139.99.31.107 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-07-20 00:05:10 UTC
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