As33514 -

To M247’s credit, they have a publicly documented Abuse Contact (abuse@m247.ro) and a published abuse handling policy. They are a member of the RIPE Anti-Abuse Working Group. However, the effectiveness varies:

Traffic and DNS analysis indicate that AS33514 hosts infrastructure for:

Using public BGP route servers (e.g., from RIPE RIS or RouteViews), you can observe that AS33514 typically announces between 400 and 600 unique IPv4 prefixes at any given time. They apply smart load balancing, often using BGP communities to influence routing paths. as33514

AS33514 manages a substantial pool of IPv4 and IPv6 addresses. Given the scarcity of IPv4, M247’s holdings are significant for a regional provider.

As of this writing, AS33514 is not listed on the Spamhaus “Drop” list (which would indicate a completely rogue network), but it does appear in the Spamhaus “Blocklist” (SBL) for specific subnets on a rotating basis. Network operators often rate-limit or block entire M247 ranges due to historical abuse. To M247’s credit, they have a publicly documented

Report Date: 2024-10-21 Analyst: Network Intelligence Unit Subject: Autonomous System Number (ASN) 33514

AS33514 is a multi-homed network with direct connections to major Chinese tier-1 ISPs. They apply smart load balancing, often using BGP

Routing Policy: Prefers domestic routes via direct ISP connections; no international transit observed.

Unlike contentious ASNs (e.g., some Cogent or Hurricane Electric disputes), AS33514 maintains a professional, neutral stance. They do not engage in widespread de-peering conflicts. However, they are known to aggressively prefix-filter—meaning they reject invalid BGP announcements, which is good hygiene for the global routing table.