Submarine Cable Map

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New Zealand

ISO Code: NZL

20

Landing Points

10

Cables

8

Connected

182

Reachable

1.5

Redundancy

gateway

Role

Directly Connected Countries

American Samoa Australia Fiji Kiribati French Polynesia Tokelau Tonga United States

Cables

Aqualink0 countries Cook Strait0 countries Hawaiki4 countries Honomoana3 countries Nelson-Levin0 countries Southern Cross Cable Network (SCCN)3 countries Southern Cross NEXT5 countries SX Tasman Express (SX-TX)1 countries Tasman Global Access (TGA) Cable1 countries Tasman Ring Network1 countries

Landing Points

Auckland, New Zealand

3 cables

Christchurch, New Zealand

1 cables

Kaikoura, New Zealand

1 cables

New Plymouth, New Zealand

2 cables

Oara, New Zealand

1 cables

Paraparaumu, New Zealand

1 cables

Raglan, New Zealand

2 cables

Titahi Bay, New Zealand

1 cables

Waikanae, New Zealand

1 cables

Wellington, New Zealand

1 cables

Whanganui, New Zealand

1 cables

Fighting Bay, New Zealand

1 cables

Oteranga Bay, New Zealand

1 cables

Mangawhai, New Zealand

1 cables

Levin, New Zealand

1 cables

Nelson, New Zealand

1 cables

Takapuna, New Zealand

2 cables

Whenuapai, New Zealand

2 cables

Greymouth, New Zealand

1 cables

Invercargill, New Zealand

1 cables

182

Reachable Countries

1.5

Redundancy Score

182

Transit Dependencies

Low Redundancy Destinations

Exact bounded path counts are shown for selected direct and nearby destinations. Other destinations use approximate representative counts. 22 exact · 160 approximate

Cocos (Keeling) Islands

Dominican Republic

Transit Dependencies

Score emphasizes lost reachable countries first, then lost representative paths, nearby destinations, and direct-neighbor exposure.

3 countries lost · 3 representative paths · 0 nearby

2 countries lost · 6 representative paths · 1 nearby

2 countries lost · 2 representative paths · 1 nearby

Congo, Dem. Rep.

2 countries lost · 2 representative paths · 0 nearby

1 countries lost · 5 representative paths · 1 nearby · 1 direct

1 countries lost · 5 representative paths · 1 nearby · 1 direct

1 countries lost · 5 representative paths · 1 nearby · 1 direct

French Polynesia

1 countries lost · 5 representative paths · 1 nearby · 1 direct

1 countries lost · 5 representative paths · 1 nearby · 1 direct

1 countries lost · 5 representative paths · 1 nearby · 1 direct

Concentration

These are structural concentration measures from the country-topology graph. They do not represent traffic, latency, or capacity share.

30%

Top LP Share

60%

Top Gateway Share

98%

Top Cable Share

0.25

LP HHI

0.61

Gateway HHI

4.19

Cable HHI

Top Landing Points

Auckland, New Zealand30%

New Plymouth, New Zealand20%

Raglan, New Zealand20%

Takapuna, New Zealand20%

Whenuapai, New Zealand20%

Top Gateway Countries

Australia60%United States47%American Samoa11%Tonga8%Fiji4%

Cable Failure Impact

Hawaiki failure

Loses: American Samoa, Tonga

Honomoana failure

Loses: French Polynesia

Southern Cross NEXT failure

Loses: Kiribati, Tokelau

Landing Point Failure Impact

Auckland, New Zealand failure

Loses 3 cables

Loses: Australia, French Polynesia, United States

Raglan, New Zealand failure

Loses 2 cables

Loses: Australia

Mangawhai, New Zealand failure

Loses 1 cable

Loses: American Samoa, Australia, Tonga, United States

Takapuna, New Zealand failure

Loses 2 cables

Loses: Australia, Fiji, Kiribati, Tokelau, United States

Whenuapai, New Zealand failure

Loses 2 cables

Loses: Australia

Top Combinations From Bounded Candidate Search

Results come from bounded candidate search, not exhaustive N-2 enumeration. Evaluated 5 cable candidates and 5 landing-point candidates before ranking blocked-state recomputations. 10 cable-pair · 10 landing-point-pair · 25 mixed-pair evaluations

Cable pair

hawaiki + southern-cross-next

1 lost direct countries

Cable pair

southern-cross-next + aqualink

1 lost direct countries

Cable pair

southern-cross-next + cook-strait

1 lost direct countries

Landing point pair

auckland-new-zealand + mangawhai-new-zealand

0 lost direct countries

Landing point pair

auckland-new-zealand + raglan-new-zealand

0 lost direct countries

Role

gateway

New Zealand acts as a gateway because its network-relative degree, reach, or gateway-share signal is elevated; the gateway-share signal is around the 50th percentile.

Role labels are network-relative classifications derived from degree, reachable-country count, bridge coverage, and gateway concentration within the country-topology graph.

8

Degree

182

Reachable

0

Bridge Pairs

0%

Bridge Coverage

Bridge Dependencies

No strong local bridge dependencies detected.