IP address

Shodan(more info)

Passive DNS

Tags: Residential proxy

IP blacklists: UCEPROTECT L1
51.252.143.61 was recently listed on the UCEPROTECT L1 blacklist, but currently it is not.

Description: UCEPROTECT-NETWORK list of spam IPs.
Type of feed: primary (feed detail page)

Last checked at: 2026-10-20 23:45:00.673000
Was present on blacklist at: 2026-10-14 15:45, 2026-10-14 23:45, 2026-10-15 07:45, 2026-10-15 15:45, 2026-10-15 23:45, 2026-10-16 07:45, 2026-10-16 15:45, 2026-10-16 23:45, 2026-10-17 07:45, 2026-10-17 23:45, 2026-10-18 07:45, 2026-10-18 15:45, 2026-10-18 23:45, 2026-10-19 07:45, 2026-10-19 15:45, 2026-10-19 23:45, 2026-10-20 07:45, 2026-10-20 23:45
Spamhaus PBL
51.252.143.61 was recently listed on the Spamhaus PBL blacklist, but currently it is not.

Description: The Spamhaus PBL is a DNSBL database of end-user IP address ranges which should not be delivering unauthenticated SMTP email to any Internet mail server except those provided for specifically by an ISP for that customer's use.
Type of feed: secondary (DNSBL) (feed detail page)

Last checked at: 2026-10-21 16:03:53.469000
Was present on blacklist at: 2026-10-14 16:03, 2026-10-21 16:03
Residential proxy info (data provided by Layer3 Intel): Last seen: 2026-10-21 18:34:37}; Percent days seen: 26 %; Networks: OXYLABS, BOTTINGTOOLS, BIRDPROXIES, PROXYEMPIRE, 711PROXY, MASKIFY, LEMONBRIGHT, KOOKEY, EVOMI, GEONODE, PROXYWING, THORDATA, THUNDERPROXY, INFINITEPROXIES, PRIVATEPROXY, SMARTPROXY, NOVADA, GLORYCLOUD, TALORDATA, RAPIDPROXY; Details: https://layer3intel.com/context/51.252.143.61

TL	Role	Category	Details
41	src	—

Origin AS: AS39891 - ALJAWWALSTC-AS
BGP Prefix: 51.252.143.0/24
geo: Saudi Arabia, Riyadh; 🕑 Asia/Riyadh
hostname: (null)
Address block ('inetnum' or 'NetRange' in whois database): 51.252.0.0 - 51.253.255.255
rep: 0.0
reserved_range: 0
ts_added: 2026-10-14 16:03:43.335000
ts_last_update: 2026-10-23 16:03:50.107000

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Presence on blacklists