subnet.im

AS20201Caryco Tech

United StatesRegistryARIN

As of 10th November 2026, AS20201 (Caryco Tech), a network registered in the United States with ARIN, originates 4 IPv4 prefixes covering 1k addresses. By IPv4 address space that makes it the 36,492nd-largest of the 80,733 networks we see originating IPv4, and the 8,241st-largest of 18,751 in the United States. It is seen behind 3 upstream networks, most often AS12213 (Centersquare) and AS7819 (Global IP Networks INC). None of its announcements have a valid RPKI ROA. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

4

IPv6 prefixes

0

IPv4 addresses

1k

IPv6 /64s

0

Upstream graph

The networks AS20201 is seen behind, one and two hops out, drawn from real AS paths.

AS20201Toward the internet core
Upstream graph for AS20201: 9 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS20201Caryco TechThis networkAS7819Global IP Network…AS12213CentersquareAS20001Charter Communica…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.AS3356Lumen (Level 3)AS6461Zayo BandwidthAS7843Spectrum (Charter)AS20115Spectrum (Charter)

Networks observed one and two hops upstream of AS20201 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

6

adjacent networks

Upstreams
350%
Peers
350%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS20201
NetworkCountryRelationshipPathsVantage pts
AS12213CentersquareUSPeer15276
AS7819Global IP Networks INCUSPeer7676
AS20001Charter Communications IncUSPeer7676

Prefixes

The largest blocks AS20201 originates, widest first.

Largest prefixes originated by AS20201
PrefixAddressesVisibility
199.15.96.0/2425676/76
199.15.98.0/2425676/76
199.15.99.0/2425676/76
199.15.101.0/2425676/76

Routing health

How AS20201's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%4

Propagation

  • Globally propagated90% of full-feed peers or more100.0%4
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 4 prefixes

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS20201 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.