Exchanges · data from 2026-11-12
Extreme IX Kolkata ExtremeIX Kolkata
Kolkata, IN · members from IX Report (2026-11-12)
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 | 24,25118,119 v4 · 6,132 v6 | 99% | 25 |
| AS20940Akamai Technologies | 4,8254,037 v4 · 788 v6 | 99% | 22 |
| AS21859Zenlayer Edge Cloud Network - AS21859 | 2,0201,848 v4 · 172 v6 | 67% | 55 |
| AS54113Fastly, Inc. | 1,861613 v4 · 1,248 v6 | 100% | 1 |
| AS45820Tata Teleservices | 1,1641,106 v4 · 58 v6 | 98% | 7 |
| AS134674TATA PLAY FIBER | 69858 v4 · 640 v6 | 4% | 0 |
| AS55256Netskope | 673673 v4 · 0 v6 | 77% | 0 |
| AS24186Railtel Corporation Of India | 669534 v4 · 135 v6 | 100% | 0 |
| AS32934Meta | 639272 v4 · 367 v6 | 96% | 0 |
| AS18229CtrlS Datacenters | 540518 v4 · 22 v6 | 95% | 10 |
| AS138915Kaopu Cloud HK | 450392 v4 · 58 v6 | 98% | 5 |
| AS53813Zscaler AS53813 | 410377 v4 · 33 v6 | 97% | 0 |
| AS17665ONEOTT iNTERTAINMENT LTD | 311206 v4 · 105 v6 | 87% | 4 |
| AS138754Kerala Vision Broadband Limited | 296275 v4 · 21 v6 | 84% | 0 |
| AS45804Meghbela Cable & Broadband Services | 131116 v4 · 15 v6 | 97% | 0 |
| AS150748Gmax | 557 v4 · 48 v6 | 100% | 0 |
| AS141383VERGE CLOUD PRIVATE LIMITED | 514 v4 · 47 v6 | 100% | 0 |
| AS149765Coronet Corporation Limited | 488 v4 · 40 v6 | 100% | 0 |
| AS58765B-Tel Internet pvt Ltd | 4540 v4 · 5 v6 | 98% | 1 |
| AS151690FAB FIVE NETWORK PRIVATE LIMITED | 4537 v4 · 8 v6 | 84% | 6 |
| AS141253Hyosec Solutions Private Limited | 2217 v4 · 5 v6 | 91% | 1 |
| AS137654Netstra Communications | 1716 v4 · 1 v6 | 100% | 0 |
| AS141339Lalat Internet Service | 86 v4 · 2 v6 | 100% | 0 |
| AS141856A S C S C DIGITAL | 54 v4 · 1 v6 | 100% | 0 |
| AS49378Extreme IX Route Servers | none seen |