AS20473

Name: AS20473 — The Constant Company, LLC
Creator: ipdex

The Constant Company, LLC ISP registered in Netherlands

1,612IPv4 prefixes

296IPv6 prefixes

81%RPKI-valid

#94AS Rank

#2Rank in Netherlands

2001-05-11Allocated

The Constant Company, LLC (AS20473) — ISP, registered in Netherlands. announces 1,612 IPv4 prefixes + 296 IPv6 prefixes. Rank in Netherlands: #2. Allocated: 2001-05-11.

IPv4 1,612IPv6 296

Announced prefixes · 1,908

v4 151.241.31.0/24 valid
v4 151.241.32.0/24 valid
v4 151.241.40.0/24 valid
v4 151.241.47.0/24 valid
v4 151.241.66.0/24 valid
v4 151.241.69.0/24 valid
v4 151.241.78.0/24 valid
v4 151.241.79.0/24 valid
v4 151.241.89.0/24 valid
v4 151.241.9.0/24 valid
v4 151.241.90.0/24 valid
v4 151.241.92.0/24 valid
v4 151.241.94.0/24 valid
v4 151.242.145.0/24 valid
v4 151.244.186.0/24 valid
v4 151.245.181.0/24 valid
v4 151.245.203.0/24 valid
v4 151.247.131.0/24 valid
v4 151.247.223.0/24 valid
v4 151.247.4.0/24 valid
v4 152.39.128.0/24 unknown
v4 152.39.129.0/24 unknown
v4 152.39.130.0/24 unknown
v4 152.39.131.0/24 unknown
v4 152.39.132.0/24 unknown
v4 152.39.133.0/24 unknown
v4 152.39.134.0/24 unknown
v4 152.39.135.0/24 unknown
v4 152.39.136.0/24 unknown
v4 152.39.137.0/24 unknown
v4 152.39.138.0/24 unknown
v4 152.39.139.0/24 unknown
v4 152.39.140.0/24 unknown
v4 152.39.141.0/24 unknown
v4 152.39.142.0/24 unknown
v4 152.39.143.0/24 unknown
v4 152.39.144.0/24 unknown
v4 152.39.145.0/24 unknown
v4 152.39.146.0/24 unknown
v4 152.39.147.0/24 unknown
v4 152.39.148.0/24 unknown
v4 152.39.149.0/24 unknown
v4 152.39.150.0/24 unknown
v4 152.39.151.0/24 unknown
v4 152.39.152.0/24 unknown
v4 152.39.153.0/24 unknown
v4 152.39.154.0/24 unknown
v4 152.39.155.0/24 unknown
v4 152.39.156.0/24 unknown
v4 152.39.157.0/24 unknown

RPKI: rpki.cloudflare.com · 2026-06-23

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	1876
2026-06-13	1876
2026-06-14	1936
2026-06-16	1931
2026-06-17	1932
2026-06-19	1904
2026-06-20	1905
2026-06-21	1924
2026-06-22	1926
2026-06-23	1908

Internet Exchanges · 61

DE-CIX Frankfurt Frankfurt 200 Gbps
IX.br (PTT.br) São Paulo São Paulo/SP 200 Gbps
AMS-IX Amsterdam 100 Gbps
Any2West Los Angeles and Silicon Valley 100 Gbps
BBIX Tokyo Tokyo 100 Gbps
BBIX US-West West Coast 100 Gbps
CIX-ATL Atlanta 100 Gbps
DE-CIX Chicago Chicago 100 Gbps
DE-CIX Dallas Dallas 100 Gbps
DE-CIX New York New York 100 Gbps
EPIX.Katowice Katowice/Silesia 100 Gbps
EPIX.Warszawa Warsaw 100 Gbps
ERA-IX Amsterdam Amsterdam 100 Gbps
Equinix Chicago Chicago 100 Gbps
Equinix Singapore Singapore 100 Gbps
Equinix Tokyo Tokyo 100 Gbps
FL-IX Miami 100 Gbps
France-IX Paris Paris 100 Gbps
JPIX TOKYO Tokyo 100 Gbps
JPNAP Tokyo Tokyo 100 Gbps
LINX LON1 London 100 Gbps
MIX-IT Milan 100 Gbps
NYIIX New York New York 100 Gbps
Netnod Stockholm BLUE -- MTU1500 Stockholm 100 Gbps
Netnod Stockholm BLUE -- MTU4470 Stockholm 100 Gbps

+36

Facilities · 36

36 Facilities · 20 Countries

165 Halsey Meet-Me Room Newark
Ascenty SCL02 - Santiago Santiago
Ascenty SPO02 - São Paulo Osasco
Ascenty SPO03 - São Paulo Osasco
Bezeq International Afek Data Center Rosh Ha'Ayin
CoreSite - Los Angeles (LA2) Los Angeles
CoreSite - Miami (MI1) Miami
CoreSite - San Jose (SV1) San Jose
CoreSite - Santa Clara (SV7) Santa Clara
DRFortress HNL Honolulu
Digital Realty CHI (2200 Busse Rd.) Elk Grove Village
Digital Realty DFW (2323 Bryan St) Dallas
Digital Realty Frankfurt FRA1-27 Frankfurt
Digital Realty London LHR19 London
Digital Realty Paris PAR2 Paris
Equinix MA5 - Manchester Swinton
Equinix MB2 - Mumbai (GPX Mumbai 2) Mumbai
Equinix MD2 - Madrid Alcobendas
Equinix ME1/ME2 - Melbourne Melbourne
Equinix ML2 - Milan, Savona Milan
Equinix MX1/MX2 - Mexico City El Marques
Equinix OS3 - Osaka Osaka
Equinix SE2/SE3 - Seattle Seattle
Equinix SG2 - Singapore Singapore
Equinix SK3 - Stockholm, Spånga Stockholm

+11

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AS20473

Announced prefixes · 1,908

Prefix history

Internet Exchanges · 61

Facilities · 36

AS topology · Customer cone 668

Providers · 20

Peers · 290

Customers · 642

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