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AS3573Accenture LLP

United StatesRegistryARIN

As of 14th November 2026, AS3573 (Accenture LLP), a network registered in the United States with ARIN, originates 116 IPv4 prefixes covering 56.6k addresses and 352 IPv6 prefixes. By IPv4 address space that makes it the 4,277th-largest of the 80,840 networks we see originating IPv4, and the 1,554th-largest of 18,773 in the United States. It is seen behind 95 upstream networks, most often AS7018 (AT&T Enterprises, LLC) and AS8220 (COLT), and in front of 1 downstream network. 65% of its announcements have a valid RPKI ROA; 8 are RPKI-invalid. 96% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

116

IPv6 prefixes

352

IPv4 addresses

56.6k

IPv6 /64s

21.6B

Upstream graph

The networks AS3573 is seen behind, one and two hops out, drawn from real AS paths.

AS3573Toward the internet core
Upstream graph for AS3573: 10 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS3573Accenture LLPThis networkAS701Verizon BusinessAS3320Deutsche Telekom …AS3356Lumen (Level 3)AS7018AT&T Enterprises,…AS8220COLTAS13030Init7 (Switzerlan…AS37271Workonline Commun…AS1299Arelion (fka. Tel…AS3549Lumen (fka. Globa…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS3573 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

193

adjacent networks

Upstreams
9549%
Peers
9750%
Downstreams
11%

Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 95.

Upstreams of AS3573
NetworkCountryRelationshipPathsVantage pts
AS7018AT&T Enterprises, LLCUSPeer4,124141
AS8220COLTGBPeer3,982141
AS701Verizon BusinessUSPeer3,161141
AS3356Lumen (Level 3)USPeer2,358141
AS3320Deutsche Telekom AGDEPeer1,031141
AS4637Telstra International LimitedHKPeer734116
AS4826Vocus Connect International BackboneAUPeer699129
AS174Cogent Communications, LLCUSPeer62859
AS12552GlobalConnect (IP-Only)SEPeer618142
AS2685AT&T Enterprises, LLCUSPeer57162

Prefixes

All 468

The largest blocks AS3573 originates, widest first.

Largest prefixes originated by AS3573
PrefixAddressesVisibility
63.240.184.0/212k78/78
170.248.24.0/212k78/78
170.248.56.0/212k78/78
170.248.104.0/212k78/78
170.248.112.0/212k78/78
170.252.80.0/212k78/78
170.248.24.0/221k3/78
170.248.28.0/221k78/78
170.248.32.0/221k78/78
170.248.56.0/221k3/78

Routing health

How AS3573'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

  • Valid65.0%304
  • Invalid1.7%8
  • No ROA33.3%156

Propagation

  • Globally propagated90% of full-feed peers or more95.9%449
  • Partially propagated40% to 90%1.3%6
  • Seen by few peersUnder 40%2.8%13

Prefix sizes

IPv4 — 116 prefixes

IPv6 — 352 prefixes

  • /324.3B × /640.9%3
  • /332.1B × /641.1%4
  • /4016.8M × /641.1%4
  • /441M × /641.1%4
  • /47131k × /6441.5%146
  • /4865.5k × /6454.3%191

Recent changes

Announcements that started or stopped since 15th Oct 2026.

27 announced and 30 withdrawn in all; the most recent are shown.

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