IPv4 R&E Routing Table Report 20:15 GMT Fri 08 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: 257232 Prefixes after maximum aggregation (per Origin AS): 113556 Deaggregation factor: 2.27 Unique aggregates announced (without unneeded subnets): 138443 Number of IPv4 prefixes with a valid ROA: 96963 Number of IPv4 prefixes with an invalid ROA: 51 Number of IPv4 prefixes with no ROA: 160218 Total ASes present in the Internet Routing Table: 20729 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 18043 Origin ASes announcing only one prefix: 8049 Transit ASes present in the Internet Routing Table: 2686 Transit-only ASes present in the Internet Routing Table: 670 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: 420 Number of instances of unregistered ASNs: 420 Number of 32-bit ASNs allocated by the RIRs: 43200 Number of 32-bit ASNs visible in the Routing Table: 7503 Prefixes from 32-bit ASNs in the Routing Table: 26805 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: 134 Number of addresses announced to Internet: 1488415049 Equivalent to 88 /8s, 183 /16s and 105 /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: 87154 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30974 Total APNIC prefixes after maximum aggregation: 7422 APNIC Deaggregation factor: 4.17 Prefixes being announced from the APNIC address blocks: 30556 Unique aggregates announced from the APNIC address blocks: 8680 APNIC Region origin ASes present in the Internet Routing Table: 1212 APNIC Prefixes per ASN: 25.21 APNIC Region origin ASes announcing only one prefix: 489 APNIC Region transit ASes present in the Internet Routing Table: 202 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 532 Number of APNIC addresses announced to Internet: 215014024 Equivalent to 12 /8s, 208 /16s and 218 /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: 118932 Total ARIN prefixes after maximum aggregation: 62432 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 118897 Unique aggregates announced from the ARIN address blocks: 69022 ARIN Region origin ASes present in the Internet Routing Table: 9635 ARIN Prefixes per ASN: 12.34 ARIN Region origin ASes announcing only one prefix: 3965 ARIN Region transit ASes present in the Internet Routing Table: 863 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: 2046 Number of ARIN addresses announced to Internet: 841647041 Equivalent to 50 /8s, 42 /16s and 131 /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: 55585 Total RIPE prefixes after maximum aggregation: 27834 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 54590 Unique aggregates announced from the RIPE address blocks: 36676 RIPE Region origin ASes present in the Internet Routing Table: 5115 RIPE Prefixes per ASN: 10.67 RIPE Region origin ASes announcing only one prefix: 2189 RIPE Region transit ASes present in the Internet Routing Table: 698 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: 1952 Number of RIPE addresses announced to Internet: 302851072 Equivalent to 18 /8s, 13 /16s and 36 /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: 42499 Total LACNIC prefixes after maximum aggregation: 13236 LACNIC Deaggregation factor: 3.21 Prefixes being announced from the LACNIC address blocks: 41856 Unique aggregates announced from the LACNIC address blocks: 19923 LACNIC Region origin ASes present in the Internet Routing Table: 3706 LACNIC Prefixes per ASN: 11.29 LACNIC Region origin ASes announcing only one prefix: 1323 LACNIC Region transit ASes present in the Internet Routing Table: 747 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: 2864 Number of LACNIC addresses announced to Internet: 88141056 Equivalent to 5 /8s, 64 /16s and 237 /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: 8822 Total AfriNIC prefixes after maximum aggregation: 2344 AfriNIC Deaggregation factor: 3.76 Prefixes being announced from the AfriNIC address blocks: 11199 Unique aggregates announced from the AfriNIC address blocks: 4015 AfriNIC Region origin ASes present in the Internet Routing Table: 238 AfriNIC Prefixes per ASN: 47.05 AfriNIC Region origin ASes announcing only one prefix: 83 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: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 109 Number of AfriNIC addresses announced to Internet: 40621056 Equivalent to 2 /8s, 107 /16s and 212 /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 9562 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1505 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1417 834 106 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 752 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 663 4270 56 CTTNET China TieTong Telecommunications 2907 602 2161 465 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 9459 11189 3325 AMAZON-02, US 22773 3499 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2985 3841 1414 DNIC-ASBLK-00306-00371, US 7018 2576 23628 1594 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1843 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1734 3035 444 CELLCO-PART, US 209 1713 4899 329 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 1583 140 1256 AKAMAI-ASN1, NL 61317 912 60 767 ASDETUK www.heficed.com, US 3215 892 4823 300 France Telecom - Orange, FR 8452 891 1841 14 TE-AS TE-AS, EG 25019 872 1035 152 SAUDINETSTC-AS, SA 34984 834 108 530 TELLCOM-AS, TR 8386 707 109 242 KOCNET, TR 8376 683 54 17 Jordan Data Communications, JO 58224 631 476 482 TCI, IR 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 5873 1666 1008 UNINET, MX 11830 2005 369 64 Instituto Costarricense de Electricidad 10620 1875 265 1236 Telmex Colombia S.A., CO 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 920 148 402 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 1189 388 22 LINKdotNET-AS, EG 24835 1029 457 25 RAYA-AS, EG 36935 674 520 41 Vodafone-, EG 36992 672 988 337 ETISALAT-MISR, EG 36914 518 82 3 KENET-AS, KE 15399 424 36 169 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 2018 381 319 71 TENET-1, ZA 29571 381 36 158 ORANGE-COTE-IVOIRE, CI 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 9562 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9459 11189 3325 AMAZON-02, US 8151 5873 1666 1008 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3499 3039 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2985 3841 1414 DNIC-ASBLK-00306-00371, US 7018 2576 23628 1594 ATT-INTERNET4, US 11830 2005 369 64 Instituto Costarricense de Electricidad 5650 1891 2744 1316 FRONTIER-FRTR, 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 16509 9459 6134 AMAZON-02, US 8151 5873 4865 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3499 3204 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1843 1622 ATLANTICBB-JOHNSTOWN, US 367 2985 1571 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1505 1471 CMNET-HUNAN-AP China Mobile communications corp 209 1713 1384 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 /14:499 /15:1000 /16:7430 /17:3491 /18:4078 /19:7921 /20:12364 /21:15554 /22:28731 /23:29190 /24:146287 /25:85 /26:61 /27:71 /28:18 /29:21 /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 3114 5873 UNINET, MX 22773 2557 3499 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1937 9459 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 10620 1128 1875 Telmex Colombia S.A., CO 7018 1127 2576 ATT-INTERNET4, US 209 967 1713 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 2:527 3:248 4:5 5:1308 6:149 7:5 8:728 11:171 12:1094 13:315 14:102 15:283 16:167 17:6 18:656 20:232 21:4 22:188 23:2396 24:775 25:2 27:25 29:19 31:427 32:37 34:2 35:56 36:1063 37:921 38:1328 39:503 40:61 41:1027 42:20 43:207 44:42 45:3377 46:859 47:154 49:20 50:335 51:477 52:1389 54:356 55:803 56:5 57:23 58:7 59:32 60:18 61:70 62:585 63:889 64:2050 65:1157 66:2289 67:954 68:639 69:1248 70:495 71:264 72:695 74:1052 75:435 76:226 77:337 78:606 79:256 80:375 81:329 82:314 83:159 84:363 85:430 86:214 87:300 88:226 89:599 90:90 91:941 92:504 93:936 94:672 95:1223 96:278 97:70 98:547 99:163 100:45 101:26 102:274 103:1214 104:1401 105:68 106:42 107:1375 108:530 109:331 110:34 111:1733 112:472 113:48 114:33 115:18 116:47 117:955 118:64 119:151 120:1081 121:42 122:93 123:81 124:57 125:15 128:449 129:375 130:613 131:1102 132:561 133:267 134:440 135:120 136:416 137:545 138:907 139:539 140:580 141:271 142:786 143:675 144:376 145:90 146:596 147:420 148:692 149:719 150:291 151:587 152:519 153:146 154:616 155:765 156:621 157:324 158:436 159:667 160:661 161:633 162:954 163:403 164:660 165:566 166:588 167:624 168:1396 169:182 170:1525 171:99 172:1320 173:836 174:283 175:40 176:827 177:927 178:383 179:698 180:50 181:1585 182:15 183:876 184:505 185:3396 186:1845 187:875 188:732 189:1326 190:4243 191:357 192:4926 193:1952 194:1438 195:1142 196:920 197:862 198:2599 199:3260 200:3183 201:3221 202:1110 203:625 204:2239 205:1838 206:1643 207:1432 208:1432 209:1953 210:336 211:475 212:1026 213:847 214:1069 215:57 216:2518 217:571 218:521 219:24 220:30 221:287 222:33 223:619 End of report