IPv4 R&E Routing Table Report 20:15 GMT Sun 24 Dec, 2023 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: 257365 Prefixes after maximum aggregation (per Origin AS): 114173 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 139047 Number of IPv4 prefixes with a valid ROA: 98160 Number of IPv4 prefixes with an invalid ROA: 28 Number of IPv4 prefixes with no ROA: 159177 Total ASes present in the Internet Routing Table: 20680 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 18004 Origin ASes announcing only one prefix: 8018 Transit ASes present in the Internet Routing Table: 2676 Transit-only ASes present in the Internet Routing Table: 655 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 376 Number of instances of unregistered ASNs: 376 Number of 32-bit ASNs allocated by the RIRs: 43270 Number of 32-bit ASNs visible in the Routing Table: 7435 Prefixes from 32-bit ASNs in the Routing Table: 26580 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: 126 Number of addresses announced to Internet: 1487731561 Equivalent to 88 /8s, 172 /16s and 251 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 40.2 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: 87553 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30721 Total APNIC prefixes after maximum aggregation: 7277 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30369 Unique aggregates announced from the APNIC address blocks: 8437 APNIC Region origin ASes present in the Internet Routing Table: 1193 APNIC Prefixes per ASN: 25.46 APNIC Region origin ASes announcing only one prefix: 484 APNIC Region transit ASes present in the Internet Routing Table: 195 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 522 Number of APNIC addresses announced to Internet: 214780040 Equivalent to 12 /8s, 205 /16s and 72 /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: 118951 Total ARIN prefixes after maximum aggregation: 62563 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 118913 Unique aggregates announced from the ARIN address blocks: 69169 ARIN Region origin ASes present in the Internet Routing Table: 9607 ARIN Prefixes per ASN: 12.38 ARIN Region origin ASes announcing only one prefix: 3947 ARIN Region transit ASes present in the Internet Routing Table: 850 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: 2040 Number of ARIN addresses announced to Internet: 840325857 Equivalent to 50 /8s, 22 /16s and 90 /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, 393216-401308 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: 56445 Total RIPE prefixes after maximum aggregation: 28408 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 55434 Unique aggregates announced from the RIPE address blocks: 37403 RIPE Region origin ASes present in the Internet Routing Table: 5215 RIPE Prefixes per ASN: 10.63 RIPE Region origin ASes announcing only one prefix: 2194 RIPE Region transit ASes present in the Internet Routing Table: 731 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1992 Number of RIPE addresses announced to Internet: 303281408 Equivalent to 18 /8s, 19 /16s and 181 /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: 42064 Total LACNIC prefixes after maximum aggregation: 13214 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 41376 Unique aggregates announced from the LACNIC address blocks: 19938 LACNIC Region origin ASes present in the Internet Routing Table: 3582 LACNIC Prefixes per ASN: 11.55 LACNIC Region origin ASes announcing only one prefix: 1287 LACNIC Region transit ASes present in the Internet Routing Table: 726 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2755 Number of LACNIC addresses announced to Internet: 88338176 Equivalent to 5 /8s, 67 /16s and 239 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 8808 Total AfriNIC prefixes after maximum aggregation: 2421 AfriNIC Deaggregation factor: 3.64 Prefixes being announced from the AfriNIC address blocks: 11147 Unique aggregates announced from the AfriNIC address blocks: 3976 AfriNIC Region origin ASes present in the Internet Routing Table: 273 AfriNIC Prefixes per ASN: 40.83 AfriNIC Region origin ASes announcing only one prefix: 106 AfriNIC Region transit ASes present in the Internet Routing Table: 64 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 126 Number of AfriNIC addresses announced to Internet: 40932096 Equivalent to 2 /8s, 112 /16s and 147 /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 9591 8737 46 CHINAMOBILE-CN China Mobile Communicati 56047 1510 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1432 842 106 CMNET-JIANGSU-AP China Mobile communica 56041 1431 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 752 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 9394 610 4158 52 CTTNET China TieTong Telecommunications 2907 602 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 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 9462 11200 3346 AMAZON-02, US 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2966 3857 1415 DNIC-ASBLK-00306-00371, US 7018 2519 23623 1567 ATT-INTERNET4, US 5650 1990 2758 1410 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1845 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1742 3091 458 CELLCO-PART, US 209 1710 4899 327 CENTURYLINK-US-LEGACY-QWEST, 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 4570 271 54 ALJAWWALSTC-AS, SA 20940 1526 136 1219 AKAMAI-ASN1, NL 25019 904 1035 152 SAUDINETSTC-AS, SA 3215 893 4823 300 France Telecom - Orange, FR 8452 818 1841 15 TE-AS TE-AS, EG 61317 801 55 714 ASDETUK www.heficed.com, US 34984 783 94 501 TELLCOM-AS, TR 8376 718 59 21 Jordan Data Communications, JO 8386 707 109 242 KOCNET, TR 15897 572 188 20 VODAFONETURKEY, TR 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 5820 1660 1007 UNINET, MX 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2007 369 64 Instituto Costarricense de Electricidad 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1086 369 22 Telefonica del Peru S.A.A., PE 26615 1049 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 923 151 401 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 595 2965 47 TELEFONICA BRASIL S.A, BR 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 1167 388 22 LINKdotNET-AS, EG 24835 1017 457 25 RAYA-AS, EG 36935 670 520 41 Vodafone-, EG 36992 655 950 340 ETISALAT-MISR, EG 36914 516 82 3 KENET-AS, KE 15399 430 38 145 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 387 36 161 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 37693 313 594 41 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 9808 9591 8737 46 CHINAMOBILE-CN China Mobile Communicati 16509 9462 11200 3346 AMAZON-02, US 8151 5820 1660 1007 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2966 3857 1415 DNIC-ASBLK-00306-00371, US 7018 2519 23623 1567 ATT-INTERNET4, US 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2007 369 64 Instituto Costarricense de Electricidad Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 9462 6116 AMAZON-02, US 8151 5820 4813 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3473 3181 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2007 1943 Instituto Costarricense de Electricidad y Telec 11776 1845 1624 ATLANTICBB-JOHNSTOWN, US 367 2966 1551 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1510 1476 CMNET-HUNAN-AP China Mobile communications corp 209 1710 1383 CENTURYLINK-US-LEGACY-QWEST, 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 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 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, 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 33684 UNALLOCATED 12.37.144.0/24 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 45.42.252.0/22 Origin: 16509 AMAZON-02, US 45.42.252.0/22 Transit: 24482 SGGS-AS-AP SG.GS, SG 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 /8:13 /9:8 /10:29 /11:45 /12:129 /13:188 /14:499 /15:1001 /16:7436 /17:3480 /18:4018 /19:7894 /20:12258 /21:15427 /22:28577 /23:28952 /24:147133 /25:84 /26:61 /27:72 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3063 5820 UNINET, MX 22773 2531 3473 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1945 9462 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1705 2007 Instituto Costarricense de Electricidad y Telec 5650 1405 1990 FRONTIER-FRTR, US 10620 1337 2214 Telmex Colombia S.A., CO 7018 1097 2519 ATT-INTERNET4, US 209 965 1710 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:15 2:506 3:251 4:5 5:1356 6:150 7:5 8:727 11:171 12:1100 13:316 14:103 15:285 16:167 17:6 18:658 20:244 21:4 22:188 23:2403 24:786 25:2 27:25 29:19 31:457 32:37 34:2 35:56 36:1101 37:933 38:1345 39:505 40:62 41:983 42:20 43:214 44:42 45:3343 46:889 47:154 49:22 50:342 51:478 52:1387 54:339 55:886 56:5 57:23 58:7 59:33 60:18 61:70 62:598 63:890 64:2093 65:1154 66:2231 67:953 68:581 69:1195 70:483 71:266 72:697 74:1054 75:438 76:244 77:346 78:630 79:257 80:391 81:377 82:293 83:160 84:350 85:526 86:228 87:286 88:220 89:606 90:103 91:986 92:498 93:928 94:690 95:1230 96:280 97:69 98:548 99:163 100:45 101:28 102:314 103:1196 104:1406 105:64 106:42 107:1402 108:530 109:339 110:34 111:1742 112:472 113:61 114:35 115:17 116:46 117:953 118:64 119:152 120:1079 121:42 122:93 123:81 124:57 125:18 128:445 129:378 130:612 131:1045 132:553 133:267 134:435 135:122 136:422 137:590 138:859 139:533 140:575 141:280 142:799 143:634 144:380 145:90 146:607 147:429 148:693 149:707 150:293 151:611 152:538 153:146 154:636 155:764 156:603 157:326 158:433 159:669 160:663 161:638 162:968 163:421 164:652 165:565 166:576 167:618 168:1389 169:186 170:1495 171:99 172:1285 173:858 174:276 175:42 176:830 177:825 178:444 179:667 180:60 181:1649 182:16 183:875 184:502 185:3550 186:1885 187:871 188:821 189:1257 190:4379 191:342 192:4906 193:2032 194:1455 195:1151 196:963 197:755 198:2577 199:3424 200:3203 201:3200 202:1108 203:643 204:2230 205:1853 206:1632 207:1411 208:1420 209:1919 210:335 211:475 212:1060 213:880 214:1073 215:43 216:2518 217:572 218:524 219:24 220:28 221:292 222:33 223:617 End of report