bgpreport

Exchanges · data from 2026-11-12

Extreme IX Kolkata ExtremeIX Kolkata

Kolkata, IN · members from IX Report (2026-11-12)

25Members 24 originate routes
39,234Their routes 95.2% RPKI valid · 70.8% with a route object
137RPKI invalid from 11 members
1,740No ROA 11,472 with no route object for their origin
22AS-SET includes own ASN 0 missing it · 0 not found · 1 none
22Route-server members 294 of their 14,344 routes left out by an RPKI + IRR filter

Route servers: RPKI + IRR filtering

For each member on the route servers: of the routes it originates, how many a route server would leave out if it dropped RPKI-invalid routes and filtered on the IRR the way IXP route servers commonly build their prefix lists: the member's AS-SETs from PeeringDB (with none, its own AS number), expanded as bgpq4 does against whois.radb.net, with more-specifics of a route object accepted down to /24 and /48 (bgpq4 -A -R 24 / -R 48). 112 routes are RPKI invalid and 282 fail the IRR filter. Only each member's own routes are counted: the collectors show a route's origin, not which network it came through, so customers' routes aren't in these numbers. Route objects only in LEVEL3 or IDNIC (no public dump) count as missing.

AS21859Zenlayer Edge Cloud Network - AS21859 AS-ZENLAYER 2,020 55 91 94 5%
AS20940Akamai Technologies RIPE::AS-AKAMAI 4,825 22 78 78 2%
AS45820Tata Teleservices AS45820:AS-TTSL 1,164 7 55 59 5%
AS54113Fastly, Inc. AS54113:AS-FASTLY 1,861 1 23 23 1%
AS18229CtrlS Datacenters APNIC::AS18229:AS-PEL 540 10 12 12 2%
AS138915Kaopu Cloud HK AS138915:AS-CUSTOMER 450 5 9 9 2%
AS151690FAB FIVE NETWORK PRIVATE LIMITED AS151690:AS-FAB1 45 6 2 6 13%
AS17665ONEOTT iNTERTAINMENT LTD RADB::AS-17665:AS-CUSTOMERS 311 4 5 5 2%
AS53813Zscaler AS53813 AS-ZSCALER-GLOBAL 410 0 3 3 1%
AS24186Railtel Corporation Of India APNIC::AS24186:AS-RAILTEL 669 0 1 1 0%
AS45804Meghbela Cable & Broadband Services AS-45804 131 0 1 1 1%
AS55256Netskope AS-NETSKOPE-55256 673 0 1 1 0%
AS58765B-Tel Internet pvt Ltd AS58765:AS-CUSTOMERS 45 1 1 1 2%
AS141253Hyosec Solutions Private Limited AS141253:AS-MUFT 22 1 0 1 5%

8 other route-server members would have every route they originate accepted.

Members

Every member on IX Report's lists for Extreme IX Kolkata, with the routes it originates. Also as members.csv.

AS16509Amazon.com No 24,25118,119 v4 · 6,132 v6 99% 25 60% includes own ASN
AS20940Akamai Technologies Yes 4,8254,037 v4 · 788 v6 99% 22 97% includes own ASN
AS21859Zenlayer Edge Cloud Network - AS21859 Yes 2,0201,848 v4 · 172 v6 67% 55 84% includes own ASN
AS54113Fastly, Inc. Yes 1,861613 v4 · 1,248 v6 100% 1 86% includes own ASN
AS45820Tata Teleservices Yes 1,1641,106 v4 · 58 v6 98% 7 95% includes own ASN
AS134674TATA PLAY FIBER Yes 69858 v4 · 640 v6 4% 0 11% none in PeeringDB
AS55256Netskope Yes 673673 v4 · 0 v6 77% 0 81% includes own ASN
AS24186Railtel Corporation Of India Yes 669534 v4 · 135 v6 100% 0 80% includes own ASN
AS32934Meta No 639272 v4 · 367 v6 96% 0 100% includes own ASN
AS18229CtrlS Datacenters Yes 540518 v4 · 22 v6 95% 10 97% includes own ASN
AS138915Kaopu Cloud HK Yes 450392 v4 · 58 v6 98% 5 94% includes own ASN
AS53813Zscaler AS53813 Yes 410377 v4 · 33 v6 97% 0 99% includes own ASN
AS17665ONEOTT iNTERTAINMENT LTD Yes 311206 v4 · 105 v6 87% 4 67% includes own ASN
AS138754Kerala Vision Broadband Limited Yes 296275 v4 · 21 v6 84% 0 100% includes own ASN
AS45804Meghbela Cable & Broadband Services Yes 131116 v4 · 15 v6 97% 0 96% includes own ASN
AS150748Gmax Yes 557 v4 · 48 v6 100% 0 100% includes own ASN
AS141383VERGE CLOUD PRIVATE LIMITED Yes 514 v4 · 47 v6 100% 0 76% AS number only
AS149765Coronet Corporation Limited Yes 488 v4 · 40 v6 100% 0 100% includes own ASN
AS58765B-Tel Internet pvt Ltd Yes 4540 v4 · 5 v6 98% 1 98% includes own ASN
AS151690FAB FIVE NETWORK PRIVATE LIMITED Yes 4537 v4 · 8 v6 84% 6 91% includes own ASN
AS141253Hyosec Solutions Private Limited Yes 2217 v4 · 5 v6 91% 1 95% includes own ASN
AS137654Netstra Communications Yes 1716 v4 · 1 v6 100% 0 100% includes own ASN
AS141339Lalat Internet Service Yes 86 v4 · 2 v6 100% 0 100% includes own ASN
AS141856A S C S C DIGITAL Yes 54 v4 · 1 v6 100% 0 100% includes own ASN
AS49378Extreme IX Route Servers No none seen