IPv4 R&E Routing Table Report 20:15 GMT Thu 02 Oct, 2025 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 275558 Prefixes after maximum aggregation (per Origin AS): 118171 Deaggregation factor: 2.33 Unique aggregates announced (without unneeded subnets): 141678 Number of IPv4 prefixes with a valid ROA: 128312 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 147031 Total ASes present in the Internet Routing Table: 20185 Prefixes per ASN: 13.65 Origin-only ASes present in the Internet Routing Table: 17411 Origin ASes announcing only one prefix: 7761 Transit ASes present in the Internet Routing Table: 2774 Transit-only ASes present in the Internet Routing Table: 671 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 316 Number of instances of unregistered ASNs: 345 Number of 32-bit ASNs allocated by the RIRs: 47612 Number of 32-bit ASNs visible in the Routing Table: 8038 Prefixes from 32-bit ASNs in the Routing Table: 33108 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 95 Number of addresses announced to Internet: 1607390629 Equivalent to 95 /8s, 206 /16s and 213 /24s Percentage of available address space announced: 43.4 Percentage of allocated address space announced: 43.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 85820 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 38476 Total APNIC prefixes after maximum aggregation: 7856 APNIC Deaggregation factor: 4.90 Prefixes being announced from the APNIC address blocks: 37411 Unique aggregates announced from the APNIC address blocks: 8040 APNIC Region origin ASes present in the Internet Routing Table: 1148 APNIC Prefixes per ASN: 32.59 APNIC Region origin ASes announcing only one prefix: 437 APNIC Region transit ASes present in the Internet Routing Table: 186 Average APNIC Region AS path length visible: 7.5 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 514 Number of APNIC addresses announced to Internet: 163763308 Equivalent to 9 /8s, 194 /16s and 212 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 126790 Total ARIN prefixes after maximum aggregation: 66199 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 124075 Unique aggregates announced from the ARIN address blocks: 67561 ARIN Region origin ASes present in the Internet Routing Table: 9241 ARIN Prefixes per ASN: 13.43 ARIN Region origin ASes announcing only one prefix: 3849 ARIN Region transit ASes present in the Internet Routing Table: 851 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2183 Number of ARIN addresses announced to Internet: 1021488361 Equivalent to 60 /8s, 226 /16s and 172 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-402332 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 42999 Total RIPE prefixes after maximum aggregation: 24656 RIPE Deaggregation factor: 1.74 Prefixes being announced from the RIPE address blocks: 45445 Unique aggregates announced from the RIPE address blocks: 35552 RIPE Region origin ASes present in the Internet Routing Table: 4222 RIPE Prefixes per ASN: 10.76 RIPE Region origin ASes announcing only one prefix: 1784 RIPE Region transit ASes present in the Internet Routing Table: 666 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1752 Number of RIPE addresses announced to Internet: 268626512 Equivalent to 16 /8s, 2 /16s and 234 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 56680 Total LACNIC prefixes after maximum aggregation: 16538 LACNIC Deaggregation factor: 3.43 Prefixes being announced from the LACNIC address blocks: 54801 Unique aggregates announced from the LACNIC address blocks: 24518 LACNIC Region origin ASes present in the Internet Routing Table: 4473 LACNIC Prefixes per ASN: 12.25 LACNIC Region origin ASes announcing only one prefix: 1583 LACNIC Region transit ASes present in the Internet Routing Table: 873 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3430 Number of LACNIC addresses announced to Internet: 108751104 Equivalent to 6 /8s, 123 /16s and 105 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 10297 Total AfriNIC prefixes after maximum aggregation: 2662 AfriNIC Deaggregation factor: 3.87 Prefixes being announced from the AfriNIC address blocks: 13731 Unique aggregates announced from the AfriNIC address blocks: 5913 AfriNIC Region origin ASes present in the Internet Routing Table: 291 AfriNIC Prefixes per ASN: 47.19 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 74 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 159 Number of AfriNIC addresses announced to Internet: 44652288 Equivalent to 2 /8s, 169 /16s and 87 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 13474 8729 118 CHINAMOBILE-CN China Mobile Communication 56046 3056 827 193 CMNET-JIANGSU-AP China Mobile communicati 56041 1733 714 78 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1714 192 50 CMNET-HUNAN-AP China Mobile communication 24444 933 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 868 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24445 660 497 68 CMNET-V4HENAN-AS-AP Henan Mobile Communic 4780 622 272 205 SEEDNET Digital United Inc., TW 2907 611 2169 463 SINET-AS Research Organization of Informa 132525 588 98 29 CMNET-HEILONGJIANG-CN HeiLongJiang Mobile Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14302 40896 5385 AMAZON-02, US 22773 3970 3049 335 ASN-CXA-ALL-CCI-22773-RDC, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 3085 239 1708 USDA-1, US 36352 2557 209 1172 AS-COLOCROSSING, US 6167 1947 4036 513 CELLCO-PART, US 11776 1884 259 218 ATLANTICBB-JOHNSTOWN, US 367 1876 2134 879 DNIC-ASBLK-00306-00371, US 209 1648 4885 268 CENTURYLINK-US-LEGACY-QWEST, US 19901 1432 674 715 BRIGHTSPEED, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 20940 1254 99 1016 AKAMAI-ASN1, NL 3215 893 4819 295 France Telecom - Orange, FR 8452 792 1841 16 TE-AS TE-AS, EG 212238 711 52 630 CDNEXT, GB 34984 621 108 480 TELLCOM-AS, TR 51167 567 113 248 CONTABO, DE 8376 566 53 25 Jordan Data Communications, JO 5511 531 129 447 OPENTRANSIT, FR 35819 512 509 113 MOBILY-AS Etihad Etisalat Company Mobily, 203214 468 36 336 HULUMTELE, IQ Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 7442 2002 791 UNINET, MX 11830 1989 369 64 Instituto Costarricense de Electricidad y 10620 1669 239 1207 Telmex Colombia S.A., CO 3816 1354 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1177 371 22 Telefonica del Peru S.A.A., PE 26615 1009 2486 56 TIM SA, BR 18881 891 1127 31 TELEFONICA BRASIL S.A, BR 11664 817 278 29 Techtel LMDS Comunicaciones Interactivas 12252 695 164 24 America Movil Peru S.A.C., PE 27651 650 92 49 ENTEL CHILE S.A., CL Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1178 396 101 RAYA-AS, EG 24863 1005 389 22 LINKdotNET-AS, EG 37069 977 1096 13 MOBINIL, EG 36992 609 1112 308 ETISALAT-MISR, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 560 82 3 KENET-AS, KE 36903 487 220 344 MT-MPLS, MA 29571 479 98 68 ORANGE-COTE-IVOIRE, CI 2018 376 318 69 TENET-1, ZA 37693 344 599 42 TUNISIANA, TN Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14302 40896 5385 AMAZON-02, US 9808 13474 8729 118 CHINAMOBILE-CN China Mobile Communication 8151 7442 2002 791 UNINET, MX 22773 3970 3049 335 ASN-CXA-ALL-CCI-22773-RDC, US 749 3220 54766 2471 DNIC-AS-00749, US 4155 3085 239 1708 USDA-1, US 56046 3056 827 193 CMNET-JIANGSU-AP China Mobile communicati 36352 2557 209 1172 AS-COLOCROSSING, US 11830 1989 369 64 Instituto Costarricense de Electricidad y 6167 1947 4036 513 CELLCO-PART, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13474 13356 CHINAMOBILE-CN China Mobile Communications Grou 8151 7442 6651 UNINET, MX 22773 3970 3635 ASN-CXA-ALL-CCI-22773-RDC, US 56046 3056 2863 CMNET-JIANGSU-AP China Mobile communications co 11830 1989 1925 Instituto Costarricense de Electricidad y Telec 11776 1884 1666 ATLANTICBB-JOHNSTOWN, US 56047 1714 1664 CMNET-HUNAN-AP China Mobile communications corp 56041 1733 1655 CMNET-ZHEJIANG-AP China Mobile communications c 6167 1947 1434 CELLCO-PART, US 36352 2557 1385 AS-COLOCROSSING, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 396146 UNALLOCATED 8.21.227.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 396146 UNALLOCATED 8.44.213.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.174.40.0/24 Origin: 27317 RESERVED, ZZ 23.174.40.0/24 Transit: 21738 ROZINT, US 41.67.248.0/22 Origin: 15964 CAMNET-AS, CM 41.67.248.0/22 Transit: 37662 WIOCC-AS, MU 41.204.224.0/24 Origin: 36911 RESERVED, ZZ 41.204.224.0/24 Transit: 328766 RESERVED, ZZ Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:14 /9:11 /10:30 /11:50 /12:159 /13:213 /14:579 /15:1092 /16:7547 /17:3387 /18:4107 /19:7588 /20:12405 /21:15813 /22:27972 /23:28969 /24:165382 /25:65 /26:81 /27:49 /28:18 /29:8 /30:13 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4042 7442 UNINET, MX 22773 2523 3970 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2401 14302 AMAZON-02, US 11830 1693 1989 Instituto Costarricense de Electricidad y Telecom., CR 19901 1053 1432 BRIGHTSPEED, US 36352 1037 2557 AS-COLOCROSSING, US 10620 980 1669 Telmex Colombia S.A., CO 209 959 1648 CENTURYLINK-US-LEGACY-QWEST, US 11776 864 1884 ATLANTICBB-JOHNSTOWN, US 6167 848 1947 CELLCO-PART, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:27 2:293 3:939 4:5 5:519 6:156 7:5 8:626 9:5 11:171 12:888 13:516 14:171 15:345 16:269 17:3 18:899 20:195 21:4 22:188 23:2552 24:684 27:54 29:19 31:466 32:15 34:10 35:180 36:3176 37:785 38:2467 39:730 40:93 41:1039 42:21 43:195 44:28 45:4275 46:960 47:117 49:21 50:477 51:69 52:1423 54:352 55:1089 56:11 57:29 58:17 59:30 60:147 61:100 62:382 63:764 64:1825 65:1042 66:1544 67:1085 68:383 69:1159 70:446 71:178 72:752 74:986 75:307 76:244 77:358 78:212 79:228 80:311 81:372 82:756 83:203 84:305 85:497 86:240 87:183 88:293 89:679 90:105 91:887 92:655 93:416 94:792 95:406 96:264 97:50 98:493 99:228 100:30 101:22 102:415 103:1056 104:1631 105:169 106:71 107:1548 108:520 109:343 110:105 111:2442 112:1041 113:31 114:39 115:63 116:58 117:1418 118:68 119:94 120:1608 121:30 122:93 123:189 124:178 125:26 126:1 128:490 129:339 130:618 131:1062 132:560 133:221 134:454 135:121 136:674 137:501 138:1006 139:453 140:739 141:370 142:1101 143:890 144:403 145:160 146:652 147:503 148:967 149:658 150:207 151:534 152:667 153:177 154:1180 155:888 156:1253 157:424 158:592 159:728 160:603 161:729 162:1014 163:438 164:742 165:624 166:809 167:686 168:1540 169:154 170:1874 171:102 172:1312 173:799 174:370 175:141 176:430 177:939 178:642 179:906 180:36 181:2327 182:27 183:1447 184:450 185:3074 186:3050 187:1699 188:661 189:1875 190:6293 191:550 192:5101 193:1701 194:1031 195:821 196:723 197:1114 198:2713 199:5237 200:4445 201:3686 202:994 203:803 204:2157 205:1822 206:1532 207:1587 208:1559 209:1961 210:513 211:509 212:912 213:686 214:949 215:40 216:2407 217:467 218:708 219:19 220:128 221:473 222:26 223:1449 End of report