States, - U.S. -, 115 S.Ct. 954, 130 L.Ed.2d 896 (1995); United States v. Burnom, 27 F.3d 283, 284 (7th Cir.1994). Neither the Constitution, see Custis, 511 U.S. at 496, 114 S.Ct. at -, nor the Sentencing Guidelines, see United States v. Mitchell, 18 F.3d 1355, 1359-60 (7th Cir.1994), confer on a defendant the right to attack collaterally a prior conviction used in sentencing. The Court’s decision in Custis and the decisions of this court make clear that Jiles could not have challenged the validity of his municipal convictions at sentencing. Appellant is therefore certainly not entitled to a rebutta-ble presumption that all default judgments arising from a defendant’s failure to appear are invalid for purposes of enhancing federal sentences.
As the Supreme Court recognized in Custis, “by challenging the previous conviction, the defendant is asking a district court to deprive the state court judgment of its normal force and effect in a proceeding that has an independent purpose other than to overturn the prior judgment.” 511 U.S. at 497, 114 S.Ct. at - (internal quotations omitted); see also Mitchell, 18 F.3d at 1361 (“[A] federal court uses a past conviction as one of many considerations in determining the length of a defendant’s incarceration for his present crime. At sentencing a federal court is not being asked to approve, enforce, or vacate the prior conviction, but merely to determine a proper federal sentence for a federal crime.”). In this case, Jiles asks that the district court deprive five municipal default judgments of their normal force and effect on the basis of nothing but pure speculation as to whether he received adequate notice that he was required to appear in court. Such speculation is inappropriate given the “strong presumption of regularity” which applies to state judicial proceedings. See Hoggard, 61 F.3d at 543; Cuppett v. Duckworth, 8 F.3d 1132, 1137 (7th Cir.1993), cert. denied, 510 U.S. 1180, 114 S.Ct. 1226, 127 L.Ed.2d 571 (1994) (case analyzing validity of state court conviction used in' sentence enhancement and recognizing that presumption of regularity exists even when no transcript of proceedings is available). Challenges to prior state- convictions raised during federal sentencing proceedings therefore both unnecessarily and inappropriately “undermine confidence in the integrity of [state] procedures,” Custis, 511 U.S. at 497, 114 S.Ct. at -.
In addition to offending principles of finality and comity, appellant’s suggestion is administratively infeasible. See Custis, 511 U.S. at 496, 114 S.Ct. at - (stating that “ease of administration” supports Court’s decision to prohibit challenges to prior convictions at sentencing). To determine whether a defendant who has had a municipal default judgment entered against him received adequate notice of the default judgment, a district court would be required to determine the manner, whether by citation or summons, in which the action was commenced; if a summons was issued, the manner in which the summons was served; and, if service was by publication and mailing, whether the summons was mailed to the proper address. Such an inquiry would require a federal sentencing court “to rummage through frequently nonexistent or difficult to obtain state court ... records that may ... come from any one of 50 States,” id., and, in this case, records which may be ten years old.4 Conducting the type of “mini-hearing” that the appellant recommends is therefore not only an inappropriate use of scarce judicial resources, Mitchell, 18 F.3d at 1360, but would also serve to “delay and impair the orderly ' administration of justice,” Custis, 511 U.S. at 497, 114 S.Ct. at -. We therefore hold that convictions arising from municipal default judgments are appropriately considered “prior sentences” under the Sentencing Guidelines and may not be challenged at sentencing.
III.
Additionally, we note that we are not as troubled as appellant by his envisioned “worst case scenario” in which a defendant is unaware that he has received a municipal
4
Sentences not resulting in imprisonment are counted for assessing criminal history points if the sentence was imposed "within ten years of the defendant's commencement of the instant offense....” TJSSG§ 4A1.2(e)(2).