IPv4 R&E Routing Table Report 20:15 GMT Thu 14 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: 257591 Prefixes after maximum aggregation (per Origin AS): 114156 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138829 Number of IPv4 prefixes with a valid ROA: 97511 Number of IPv4 prefixes with an invalid ROA: 234 Number of IPv4 prefixes with no ROA: 159846 Total ASes present in the Internet Routing Table: 20792 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 18085 Origin ASes announcing only one prefix: 8069 Transit ASes present in the Internet Routing Table: 2707 Transit-only ASes present in the Internet Routing Table: 677 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: 396 Number of instances of unregistered ASNs: 396 Number of 32-bit ASNs allocated by the RIRs: 43225 Number of 32-bit ASNs visible in the Routing Table: 7526 Prefixes from 32-bit ASNs in the Routing Table: 26762 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: 142 Number of addresses announced to Internet: 1487040841 Equivalent to 88 /8s, 162 /16s and 113 /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: 87192 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30911 Total APNIC prefixes after maximum aggregation: 7312 APNIC Deaggregation factor: 4.23 Prefixes being announced from the APNIC address blocks: 30532 Unique aggregates announced from the APNIC address blocks: 8460 APNIC Region origin ASes present in the Internet Routing Table: 1216 APNIC Prefixes per ASN: 25.11 APNIC Region origin ASes announcing only one prefix: 503 APNIC Region transit ASes present in the Internet Routing Table: 204 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: 541 Number of APNIC addresses announced to Internet: 212631432 Equivalent to 12 /8s, 172 /16s and 127 /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: 119288 Total ARIN prefixes after maximum aggregation: 62801 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 119336 Unique aggregates announced from the ARIN address blocks: 69386 ARIN Region origin ASes present in the Internet Routing Table: 9635 ARIN Prefixes per ASN: 12.39 ARIN Region origin ASes announcing only one prefix: 3954 ARIN Region transit ASes present in the Internet Routing Table: 864 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: 2049 Number of ARIN addresses announced to Internet: 841777345 Equivalent to 50 /8s, 44 /16s and 128 /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: 55671 Total RIPE prefixes after maximum aggregation: 27998 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54511 Unique aggregates announced from the RIPE address blocks: 36593 RIPE Region origin ASes present in the Internet Routing Table: 5168 RIPE Prefixes per ASN: 10.55 RIPE Region origin ASes announcing only one prefix: 2207 RIPE Region transit ASes present in the Internet Routing Table: 716 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: 1978 Number of RIPE addresses announced to Internet: 302675968 Equivalent to 18 /8s, 10 /16s and 120 /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: 42685 Total LACNIC prefixes after maximum aggregation: 13380 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 41993 Unique aggregates announced from the LACNIC address blocks: 20345 LACNIC Region origin ASes present in the Internet Routing Table: 3687 LACNIC Prefixes per ASN: 11.39 LACNIC Region origin ASes announcing only one prefix: 1306 LACNIC Region transit ASes present in the Internet Routing Table: 739 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2841 Number of LACNIC addresses announced to Internet: 88680192 Equivalent to 5 /8s, 73 /16s and 39 /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: 8640 Total AfriNIC prefixes after maximum aggregation: 2366 AfriNIC Deaggregation factor: 3.65 Prefixes being announced from the AfriNIC address blocks: 11077 Unique aggregates announced from the AfriNIC address blocks: 3910 AfriNIC Region origin ASes present in the Internet Routing Table: 251 AfriNIC Prefixes per ASN: 44.13 AfriNIC Region origin ASes announcing only one prefix: 99 AfriNIC Region transit ASes present in the Internet Routing Table: 66 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 117 Number of AfriNIC addresses announced to Internet: 41102336 Equivalent to 2 /8s, 115 /16s and 44 /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 9583 8731 42 CHINAMOBILE-CN China Mobile Communicati 56047 1507 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1426 834 106 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 748 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 9394 634 4158 52 CTTNET China TieTong Telecommunications 2907 603 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 9388 11176 3402 AMAZON-02, US 22773 3495 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2959 3841 1413 DNIC-ASBLK-00306-00371, US 7018 2575 23627 1593 ATT-INTERNET4, US 5650 1895 2745 1320 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1844 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1746 3061 447 CELLCO-PART, US 209 1711 4899 328 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 4502 267 58 ALJAWWALSTC-AS, SA 20940 1618 142 1280 AKAMAI-ASN1, NL 8452 903 1841 14 TE-AS TE-AS, EG 3215 892 4823 300 France Telecom - Orange, FR 25019 866 1035 152 SAUDINETSTC-AS, SA 61317 846 58 757 ASDETUK www.heficed.com, US 34984 790 94 502 TELLCOM-AS, TR 8376 722 59 22 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 5895 1676 1008 UNINET, MX 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1047 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 915 151 398 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 596 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 1172 388 22 LINKdotNET-AS, EG 24835 1020 457 25 RAYA-AS, EG 36935 674 520 41 Vodafone-, EG 36992 672 992 338 ETISALAT-MISR, EG 36914 529 82 3 KENET-AS, KE 15399 424 36 168 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 382 36 159 ORANGE-COTE-IVOIRE, CI 2018 377 319 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 9583 8731 42 CHINAMOBILE-CN China Mobile Communicati 16509 9388 11176 3402 AMAZON-02, US 8151 5895 1676 1008 UNINET, MX 39891 4502 267 58 ALJAWWALSTC-AS, SA 22773 3495 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2959 3841 1413 DNIC-ASBLK-00306-00371, US 7018 2575 23627 1593 ATT-INTERNET4, US 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2005 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 9388 5986 AMAZON-02, US 8151 5895 4887 UNINET, MX 39891 4502 4444 ALJAWWALSTC-AS, SA 22773 3495 3202 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1844 1623 ATLANTICBB-JOHNSTOWN, US 367 2959 1546 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1507 1473 CMNET-HUNAN-AP China Mobile communications corp 209 1711 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 43.243.102.0/24 Origin: 64050 BCPL-SG BGPNET Global ASN, SG 43.243.102.0/24 Transit: 2914 NTT-LTD-2914, US 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 /12:127 /13:188 /14:500 /15:1000 /16:7432 /17:3471 /18:4049 /19:7910 /20:12394 /21:15515 /22:28709 /23:29047 /24:146874 /25:87 /26:61 /27:71 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3320 4502 ALJAWWALSTC-AS, SA 8151 3119 5895 UNINET, MX 22773 2554 3495 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1928 9388 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1380 1895 FRONTIER-FRTR, US 10620 1337 2214 Telmex Colombia S.A., CO 7018 1126 2575 ATT-INTERNET4, US 209 965 1711 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) ---------------------------------------------- 1:14 2:521 3:248 4:5 5:1312 6:151 7:5 8:729 11:171 12:1093 13:310 14:104 15:283 16:167 17:6 18:651 20:242 21:4 22:188 23:2483 24:781 25:2 27:25 29:19 31:426 32:37 34:2 35:56 36:1098 37:887 38:1342 39:503 40:60 41:997 42:20 43:214 44:42 45:3405 46:863 47:154 49:22 50:339 51:413 52:1387 54:348 55:887 56:5 57:23 58:7 59:32 60:18 61:71 62:589 63:891 64:2083 65:1166 66:2240 67:957 68:588 69:1250 70:494 71:264 72:709 74:1049 75:438 76:242 77:342 78:603 79:257 80:369 81:351 82:315 83:164 84:365 85:423 86:214 87:299 88:225 89:594 90:99 91:936 92:509 93:934 94:683 95:1228 96:284 97:70 98:548 99:164 100:45 101:27 102:267 103:1224 104:1420 105:65 106:42 107:1390 108:529 109:334 110:34 111:1733 112:471 113:59 114:33 115:18 116:46 117:951 118:64 119:151 120:1080 121:42 122:97 123:81 124:57 125:16 128:446 129:336 130:614 131:1094 132:555 133:267 134:444 135:120 136:417 137:544 138:895 139:546 140:621 141:272 142:786 143:673 144:378 145:90 146:592 147:425 148:690 149:695 150:296 151:587 152:531 153:146 154:648 155:767 156:629 157:333 158:439 159:660 160:662 161:636 162:964 163:409 164:657 165:572 166:584 167:623 168:1394 169:183 170:1512 171:99 172:1297 173:859 174:278 175:42 176:838 177:951 178:398 179:679 180:58 181:1646 182:14 183:876 184:511 185:3423 186:1901 187:867 188:723 189:1308 190:4326 191:351 192:4957 193:1974 194:1433 195:1146 196:908 197:765 198:2604 199:3344 200:3188 201:3206 202:1111 203:646 204:2240 205:1858 206:1632 207:1425 208:1444 209:1948 210:346 211:475 212:1037 213:852 214:1079 215:43 216:2559 217:577 218:524 219:24 220:29 221:289 222:33 223:617 End of report