diff --git a/netbox/netbox.go b/netbox/netbox.go
index 8bfe492..6889eb6 100644
--- a/netbox/netbox.go
+++ b/netbox/netbox.go
@@ -90,8 +90,14 @@ func NewAllocator(opts ...Option) (netalloc.Allocator, error) {
 	if a.httpClient == nil {
 		a.httpClient = &http.Client{Transport: &http.Transport{
 			DialContext: (&net.Dialer{
-				Timeout: 30 * time.Second,
+				Timeout:   30 * time.Second,
+				KeepAlive: 30 * time.Second,
 			}).DialContext,
+			ForceAttemptHTTP2:     true,
+			MaxIdleConns:          100,
+			IdleConnTimeout:       90 * time.Second,
+			TLSHandshakeTimeout:   10 * time.Second,
+			ExpectContinueTimeout: 1 * time.Second,
 			TLSClientConfig: &tls.Config{
 				InsecureSkipVerify: a.insecure,
 			},