16 perform any and all acts, make such rules and regulations, and issue such orders, not inconsistent with this chapter, as may be necessary in the execution of its functions.”); In re Formal Complaint of Free Press and Public Knowledge Against Comcast Corp. for Secretly Degrading Peer-to-Peer Applications, 23 FCC Rcd. 13,028, 13,034–41 ¶¶ 14–22 (2008). In Comcast, we vacated that order because the Commission had failed to identify any grant of statutory authority to which the order was reasonably ancillary. 600 F.3d at 644. C. Following Comcast, the Commission issued a notice of inquiry, seeking comment on whether it should reclassify broadband as a telecommunications service. See In re Framework for Broadband Internet Service, 25 FCC Rcd. 7866, 7867 ¶ 2 (2010). Rather than reclassify broadband, however, the Commission adopted the 2010 Open Internet Order. See 25 FCC Rcd. 17,905. In that order, the Commission promulgated three rules: (1) a transparency rule, which required broadband providers to “disclose the network management practices, performance characteristics, and terms and conditions of their broadband services”; (2) an antiblocking rule, which prohibited broadband providers from “block[ing] lawful content, applications, services, or nonharmful devices”; and (3) an anti-discrimination rule, which established that broadband providers “may not unreasonably discriminate in transmitting lawful network traffic.” Id. at 17,906 ¶ 1. The transparency rule applied to both “fixed” broadband, the service a consumer uses on her laptop when she is at home, and “mobile” broadband, the service a consumer uses on her iPhone when she is riding the bus to work. Id. The anti-blocking rule applied in full only to fixed broadband, but the order prohibited mobile broadband providers from “block[ing] lawful websites, or block[ing]