singapore/ipv4: show protocols all BIH_SG

BIH_SG BGP master up 2019-06-24 Established

Preference:     100
  Input filter:   ACCEPT
  Output filter:  (unnamed)
  Routes:         753603 imported, 0 exported, 753603 preferred
  Route change stats:     received   rejected   filtered    ignored   accepted
    Import updates:        1107938          0          0          2    1107936
    Import withdraws:        23764          0        ---          0      23764
    Export updates:        1107936    1107936          0        ---          0
    Export withdraws:        23764        ---        ---        ---          0
  BGP state:          Established
    Neighbor address: 103.212.59.1
    Neighbor AS:      64096
    Neighbor ID:      10.50.0.4
    Neighbor caps:    refresh restart-aware AS4
    Session:          external multihop AS4
    Source address:   103.212.59.4
    Hold timer:       87/90
    Keepalive timer:  19/30