Technology for HKGIX
General technical requirements
- MTU: 9000 byte (Jumbo Frames)
Min/max prefix length
Only prefixes whose length is in the following range are accepted by the route server:
- IPv4: 8-24
- IPv6: 12-48
Rejected path
Routes whose AS_PATH contains private or invalid ASNs are rejected.
- Private ASN: 0, 23456, 64496-131071, 4200000000-4294967295
| Member | ASN |
|---|---|
| 174 | Cogent |
| 209 | Qwest (HE carries this on IXPs IPv6 (Jul 12 2018)) |
| 701 | UUNET |
| 702 | UUNET |
| 1239 | Sprint |
| 1299 | Telia |
| 2914 | NTT Communications |
| 3257 | GTT Backbone |
| 3320 | Deutsche Telekom AG (DTAG) |
| 3356 | Level3 |
| 3549 | Level3 |
| 3561 | Savvis / CenturyLink |
| 4134 | Chinanet |
| 5511 | Orange opentransit |
| 6453 | Tata Communications |
| 6762 | Seabone / Telecom Italia |
| 6939 | Hurricane Electric (IPv6) |
| 7018 | AT&T |
| Member | Default |
| Member | Default |
Rejected prefixes
The following prefixes are unconditionally rejected:
Bogon Prefix
IPv4 Bogon Prefix:
| Prefix | Comment |
|---|---|
| 0.0.0.0/0 | Default |
| 0.0.0.0/32- | RFC 5735 Special Use IPv4 Addresses |
| 0.0.0.0/0{0,7} | RFC 1122 Requirements for Internet Hosts -- Communication Layers 3.2.1.3 |
| 10.0.0.0/8+ | RFC 1918 Address Allocation for Private Internets |
| 100.64.0.0/10+ | RFC 6598 IANA-Reserved IPv4 Prefix for Shared Address Space |
| 127.0.0.0/8+ | RFC 1122 Requirements for Internet Hosts -- Communication Layers 3.2.1.3 |
| 169.254.0.0/16+ | RFC 3927 Dynamic Configuration of IPv4 Link-Local Addresses |
| 172.16.0.0/12+ | RFC 1918 Address Allocation for Private Internets |
| 192.0.0.0/24+ | RFC 6890 Special-Purpose Address Registries |
| 192.0.2.0/24+ | RFC 5737 IPv4 Address Blocks Reserved for Documentation |
| 192.168.0.0/16+ | RFC 1918 Address Allocation for Private Internets |
| 198.18.0.0/15+ | RFC 2544 Benchmarking Methodology for Network Interconnect Devices |
| 198.51.100.0/24+ | RFC 5737 IPv4 Address Blocks Reserved for Documentation |
| 203.0.113.0/24+ | RFC 5737 IPv4 Address Blocks Reserved for Documentation |
| 224.0.0.0/4+ | RFC 1112 Host Extensions for IP Multicasting |
| 240.0.0.0/4+ | RFC 6890 Special-Purpose Address Registries |
IPv6 Bogon Prefix:
| Prefix | Comment |
|---|---|
| ::/0 | Default |
| ::/96 | IPv4-compatible IPv6 address - deprecated by RFC4291 |
| ::/128 | Unspecified address |
| ::1/128 | Local host loopback address |
| ::ffff:0.0.0.0/96+ | IPv4-mapped addresses |
| ::224.0.0.0/100+ | Compatible address (IPv4 format) |
| ::127.0.0.0/104+ | Compatible address (IPv4 format) |
| ::0.0.0.0/104+ | Compatible address (IPv4 format) |
| ::255.0.0.0/104+ | Compatible address (IPv4 format) |
| 0000::/8+ | Pool used for unspecified, loopback and embedded IPv4 addresses |
| 0100::/8+ | RFC 6666 - reserved for Discard-Only Address Block |
| 0200::/7+ | OSI NSAP-mapped prefix set (RFC4548) - deprecated by RFC4048 |
| 0400::/6+ | RFC 4291 - Reserved by IETF |
| 0800::/5+ | RFC 4291 - Reserved by IETF |
| 1000::/4+ | RFC 4291 - Reserved by IETF |
| 2001:10::/28+ | RFC 4843 - Deprecated (previously ORCHID) |
| 2001:20::/28+ | RFC 7343 - ORCHIDv2 |
| 2001:db8::/32+ | Reserved by IANA for special purposes and documentation |
| 2002:e000::/20+ | Invalid 6to4 packets (IPv4 multicast) |
| 2002:7f00::/24+ | Invalid 6to4 packets (IPv4 loopback) |
| 2002:0000::/24+ | Invalid 6to4 packets (IPv4 default) |
| 2002:ff00::/24+ | Invalid 6to4 packets |
| 2002:0a00::/24+ | Invalid 6to4 packets (IPv4 private 10.0.0.0/8 network) |
| 2002:ac10::/28+ | Invalid 6to4 packets (IPv4 private 172.16.0.0/12 network) |
| 2002:c0a8::/32+ | Invalid 6to4 packets (IPv4 private 192.168.0.0/16 network) |
| 3ffe::/16+ | Former 6bone, now decommissioned |
| 4000::/3+ | RFC 4291 - Reserved by IETF |
| 5f00::/8+ | RFC 5156 - used for the 6bone but was returned |
| 6000::/3+ | RFC 4291 - Reserved by IETF |
| 8000::/3+ | RFC 4291 - Reserved by IETF |
| a000::/3+ | RFC 4291 - Reserved by IETF |
| c000::/3+ | RFC 4291 - Reserved by IETF |
| e000::/4+ | RFC 4291 - Reserved by IETF |
| f000::/5+ | RFC 4291 - Reserved by IETF |
| f800::/6+ | RFC 4291 - Reserved by IETF |
| fc00::/7+ | Unicast Unique Local Addresses (ULA) - RFC 4193 |
| fe80::/10+ | Link-local Unicast |
| fec0::/10+ | Site-local Unicast - deprecated by RFC 3879 (replaced by ULA) |
| ff00::/8+ | Multicast |
| Prefix | Comment |
|---|---|
| 0.0.0.0/23+ | HKGIX IPv4 |
| 1111::/48+ | HKGIX IPv6 |