IPv4 R&E Routing Table Report 20:15 GMT Sun 28 Apr, 2024 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: 187044 Prefixes after maximum aggregation (per Origin AS): 82151 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 101847 Number of IPv4 prefixes with a valid ROA: 72196 Number of IPv4 prefixes with an invalid ROA: 17 Number of IPv4 prefixes with no ROA: 114831 Total ASes present in the Internet Routing Table: 15702 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 13580 Origin ASes announcing only one prefix: 6230 Transit ASes present in the Internet Routing Table: 2122 Transit-only ASes present in the Internet Routing Table: 573 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 26 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 230 Number of instances of unregistered ASNs: 230 Number of 32-bit ASNs allocated by the RIRs: 44317 Number of 32-bit ASNs visible in the Routing Table: 5642 Prefixes from 32-bit ASNs in the Routing Table: 18919 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 92 Number of addresses announced to Internet: 1112601761 Equivalent to 66 /8s, 80 /16s and 244 /24s Percentage of available address space announced: 30.1 Percentage of allocated address space announced: 30.1 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: 53975 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29716 Total APNIC prefixes after maximum aggregation: 6909 APNIC Deaggregation factor: 4.30 Prefixes being announced from the APNIC address blocks: 29406 Unique aggregates announced from the APNIC address blocks: 7891 APNIC Region origin ASes present in the Internet Routing Table: 1105 APNIC Prefixes per ASN: 26.61 APNIC Region origin ASes announcing only one prefix: 444 APNIC Region transit ASes present in the Internet Routing Table: 196 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 476 Number of APNIC addresses announced to Internet: 198819184 Equivalent to 11 /8s, 217 /16s and 189 /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, 131072-153913 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: 85499 Total ARIN prefixes after maximum aggregation: 46788 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 84190 Unique aggregates announced from the ARIN address blocks: 51776 ARIN Region origin ASes present in the Internet Routing Table: 7360 ARIN Prefixes per ASN: 11.44 ARIN Region origin ASes announcing only one prefix: 3186 ARIN Region transit ASes present in the Internet Routing Table: 631 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1526 Number of ARIN addresses announced to Internet: 650740065 Equivalent to 38 /8s, 201 /16s and 129 /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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 35240 Total RIPE prefixes after maximum aggregation: 16539 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35934 Unique aggregates announced from the RIPE address blocks: 23706 RIPE Region origin ASes present in the Internet Routing Table: 3379 RIPE Prefixes per ASN: 10.63 RIPE Region origin ASes announcing only one prefix: 1451 RIPE Region transit ASes present in the Internet Routing Table: 528 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1256 Number of RIPE addresses announced to Internet: 160230864 Equivalent to 9 /8s, 140 /16s and 237 /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, 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: 31703 Total LACNIC prefixes after maximum aggregation: 9902 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 31412 Unique aggregates announced from the LACNIC address blocks: 15452 LACNIC Region origin ASes present in the Internet Routing Table: 2981 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 1068 LACNIC Region transit ASes present in the Internet Routing Table: 602 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2283 Number of LACNIC addresses announced to Internet: 74458624 Equivalent to 4 /8s, 112 /16s and 38 /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: 4656 Total AfriNIC prefixes after maximum aggregation: 1829 AfriNIC Deaggregation factor: 2.55 Prefixes being announced from the AfriNIC address blocks: 6010 Unique aggregates announced from the AfriNIC address blocks: 2936 AfriNIC Region origin ASes present in the Internet Routing Table: 208 AfriNIC Prefixes per ASN: 28.89 AfriNIC Region origin ASes announcing only one prefix: 81 AfriNIC Region transit ASes present in the Internet Routing Table: 61 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 101 Number of AfriNIC addresses announced to Internet: 28312320 Equivalent to 1 /8s, 176 /16s and 3 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9658 8743 62 CHINAMOBILE-CN China Mobile Communicati 56047 1507 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1491 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1450 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 725 10640 155 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 478 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 449 489 108 CMNET-GUANGDONG-AP China Mobile communi 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 9798 11354 3517 AMAZON-02, US 749 3200 54911 2452 DNIC-AS-00749, US 367 2810 3531 1354 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1702 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 4155 1697 109 1210 USDA-1, US 5972 1400 393 634 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 900 4165 681 AMAZON-AES, 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 39891 4741 285 59 ALJAWWALSTC-AS, SA 20940 1337 111 1082 AKAMAI-ASN1, NL 3215 928 4906 286 France Telecom - Orange, FR 25019 810 1032 146 SAUDINETSTC-AS, SA 8376 712 59 22 Jordan Data Communications, JO 8452 613 1841 11 TE-AS TE-AS, EG 51167 502 96 209 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 392 34 5 ASN-ISKON, HR 57878 380 31 187 PRAGER-IT, AT 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 5902 1710 930 UNINET, MX 3816 1313 788 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1102 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 922 1128 28 TELEFONICA BRASIL S.A, BR 11664 596 104 227 Techtel LMDS Comunicaciones Interactiva 26599 570 2961 47 TELEFONICA BRASIL S.A, BR 10620 499 64 420 Telmex Colombia S.A., CO 13999 475 65 209 Mega Cable, S.A. de C.V., MX 27843 229 20 33 WIN EMPRESAS S.A.C., PE 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 24863 612 209 251 LINKdotNET-AS, EG 29571 588 56 171 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36992 328 479 241 ETISALAT-MISR, EG 36935 266 66 79 Vodafone-, EG 36914 202 82 3 KENET-AS, KE 37282 157 20 54 MAINONE, NG 37492 156 471 44 ORANGE-, TN 24835 148 150 87 RAYA-AS, EG 37693 146 595 51 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 9798 11354 3517 AMAZON-02, US 9808 9658 8743 62 CHINAMOBILE-CN China Mobile Communicati 8151 5902 1710 930 UNINET, MX 39891 4741 285 59 ALJAWWALSTC-AS, SA 749 3200 54911 2452 DNIC-AS-00749, US 367 2810 3531 1354 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1702 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 4155 1697 109 1210 USDA-1, US 56047 1507 192 47 CMNET-HUNAN-AP China Mobile communicati 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 9658 9596 CHINAMOBILE-CN China Mobile Communications Grou 8151 5902 4972 UNINET, MX 39891 4741 4682 ALJAWWALSTC-AS, SA 11776 1858 1638 ATLANTICBB-JOHNSTOWN, US 56047 1507 1460 CMNET-HUNAN-AP China Mobile communications corp 367 2810 1456 DNIC-ASBLK-00306-00371, US 209 1702 1389 CENTURYLINK-US-LEGACY-QWEST, US 56046 1491 1381 CMNET-JIANGSU-AP China Mobile communications co 56041 1450 1377 CMNET-ZHEJIANG-AP China Mobile communications c 3816 1313 1116 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 22538 UNALLOCATED 12.131.3.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.147.1.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 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 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 RESERVED, ZZ 41.57.124.0/24 Transit: 37204 TELONE, ZW 41.57.125.0/24 Origin: 37442 RESERVED, ZZ 41.57.125.0/24 Transit: 37204 TELONE, ZW 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 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 /8:11 /9:6 /10:17 /11:30 /12:92 /13:125 /14:364 /15:705 /16:5926 /17:2477 /18:2603 /19:5365 /20:8590 /21:10900 /22:19597 /23:20430 /24:109550 /25:76 /26:49 /27:71 /28:19 /29:20 /30:17 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3424 4741 ALJAWWALSTC-AS, SA 8151 3158 5902 UNINET, MX 16509 2094 9798 AMAZON-02, US 209 961 1702 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1858 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 726 867 BRSPD-PUBLIC, US 6147 698 1102 Telefonica del Peru S.A.A., PE 8376 557 712 Jordan Data Communications, JO 7979 451 1002 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:10 2:364 3:327 5:1062 6:149 7:5 8:615 11:171 12:658 13:306 14:101 15:281 16:174 17:6 18:738 20:34 21:4 22:188 23:1836 24:411 25:2 27:27 29:19 31:177 32:1 34:11 35:58 36:1178 37:423 38:895 39:525 40:11 41:598 42:14 43:174 44:39 45:2396 46:612 47:94 49:11 50:260 51:476 52:1356 54:271 55:984 57:17 58:7 59:38 60:19 61:63 62:342 63:481 64:1531 65:794 66:1252 67:684 68:180 69:743 70:146 71:191 72:372 74:744 75:393 76:202 77:309 78:487 79:172 80:221 81:175 82:185 83:100 84:178 85:344 86:153 87:149 88:118 89:513 90:98 91:543 92:397 93:789 94:506 95:1077 96:163 97:31 98:132 99:151 100:23 101:21 102:225 103:1031 104:739 105:114 106:3 107:227 108:304 109:264 110:34 111:1795 112:448 113:44 114:33 115:15 116:28 117:958 118:70 119:100 120:1075 121:17 122:87 123:23 124:57 125:12 128:360 129:287 130:505 131:761 132:494 133:195 134:337 135:68 136:369 137:413 138:752 139:389 140:596 141:324 142:699 143:605 144:329 145:65 146:474 147:325 148:598 149:490 150:293 151:567 152:589 153:118 154:560 155:677 156:432 157:281 158:315 159:589 160:692 161:427 162:689 163:294 164:634 165:380 166:96 167:399 168:938 169:161 170:1280 171:64 172:897 173:623 174:111 175:34 176:410 177:728 178:319 179:499 180:49 181:980 182:16 183:829 184:204 185:2335 186:1012 187:824 188:488 189:1173 190:2840 191:192 192:3832 193:1258 194:839 195:557 196:389 197:373 198:1953 199:3502 200:2552 201:2474 202:1053 203:628 204:1740 205:1664 206:1147 207:1098 208:982 209:1448 210:329 211:431 212:691 213:554 214:1020 215:43 216:1708 217:283 218:526 219:24 220:29 221:302 222:22 223:637 End of report