Sans Clark himself, the ABC institution that is “Dick Clark’s New Year’s Rockin’ Eve” cleaned up in the ratings last week, topping the other broadcast nets combined.

Fox also did well with its Ryan Seacrest-hosted spec, which was up nicely year-to-year.

With Regis Philbin filling in for the recuperating Clark, the hour of ABC coverage that included midnight (roughly 11:35 p.m. to 12:30 a.m.) averaged 18.24 million viewers, according to Nielsen. Its adults 18-49 rating of 6.4/23 share was better than any primetime program during the week of Dec. 27-Jan. 2.

Head-to-head against its network competition on New Year’s Eve, ABC’s “Rockin’ Eve” outdelivered the combined auds of NBC’s Jay Leno, CBS’ David Letterman and Fox’s Seacrest-hosted spec by 6% in total viewers (18.24m vs. 17.25m) and by 9% in adults 18-49.

Part 2 of “Dick Clark’s Rockin’ Eve” (1:05-2:05 a.m.) averaged 5.22 million viewers and was up year-to-year in key demos.

Fox, meanwhile, was pleased with its “New Year’s Eve: Live From Times Square With Ryan Seacrest,” whose 5.7 million viewers made it the net’s highest-rated New Year’s Eve spec in four years. Compared to the prior year, the Fox telecast grew by 33% among adults 18-49 (2.4/8 vs. 1.8/7).

NBC’s “New Year’s Eve With Carson Daly,” which aired from 10 to 11 p.m., averaged a third-place 1.7/6 in adults 18-49 and 4.49 million viewers overall.