IPv4 R&E Routing Table Report 20:15 GMT Sun 26 Nov, 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: 255924 Prefixes after maximum aggregation (per Origin AS): 113252 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138608 Number of IPv4 prefixes with a valid ROA: 95364 Number of IPv4 prefixes with an invalid ROA: 43 Number of IPv4 prefixes with no ROA: 160517 Total ASes present in the Internet Routing Table: 20717 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 18052 Origin ASes announcing only one prefix: 8036 Transit ASes present in the Internet Routing Table: 2665 Transit-only ASes present in the Internet Routing Table: 658 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: 26 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 439 Number of instances of unregistered ASNs: 439 Number of 32-bit ASNs allocated by the RIRs: 43106 Number of 32-bit ASNs visible in the Routing Table: 7451 Prefixes from 32-bit ASNs in the Routing Table: 26687 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: 137 Number of addresses announced to Internet: 1485800261 Equivalent to 88 /8s, 143 /16s and 131 /24s Percentage of available address space announced: 40.1 Percentage of allocated address space announced: 40.1 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: 86696 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30496 Total APNIC prefixes after maximum aggregation: 7194 APNIC Deaggregation factor: 4.24 Prefixes being announced from the APNIC address blocks: 30018 Unique aggregates announced from the APNIC address blocks: 8218 APNIC Region origin ASes present in the Internet Routing Table: 1185 APNIC Prefixes per ASN: 25.33 APNIC Region origin ASes announcing only one prefix: 480 APNIC Region transit ASes present in the Internet Routing Table: 198 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 518 Number of APNIC addresses announced to Internet: 212759428 Equivalent to 12 /8s, 174 /16s and 115 /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: 118805 Total ARIN prefixes after maximum aggregation: 62206 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118755 Unique aggregates announced from the ARIN address blocks: 69495 ARIN Region origin ASes present in the Internet Routing Table: 9628 ARIN Prefixes per ASN: 12.33 ARIN Region origin ASes announcing only one prefix: 3965 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: 2041 Number of ARIN addresses announced to Internet: 839002817 Equivalent to 50 /8s, 2 /16s and 42 /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: 55975 Total RIPE prefixes after maximum aggregation: 28112 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54964 Unique aggregates announced from the RIPE address blocks: 37160 RIPE Region origin ASes present in the Internet Routing Table: 5195 RIPE Prefixes per ASN: 10.58 RIPE Region origin ASes announcing only one prefix: 2219 RIPE Region transit ASes present in the Internet Routing Table: 712 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1967 Number of RIPE addresses announced to Internet: 305204224 Equivalent to 18 /8s, 49 /16s and 12 /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: 41760 Total LACNIC prefixes after maximum aggregation: 13076 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 41145 Unique aggregates announced from the LACNIC address blocks: 19664 LACNIC Region origin ASes present in the Internet Routing Table: 3643 LACNIC Prefixes per ASN: 11.29 LACNIC Region origin ASes announcing only one prefix: 1279 LACNIC Region transit ASes present in the Internet Routing Table: 720 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2815 Number of LACNIC addresses announced to Internet: 87847680 Equivalent to 5 /8s, 60 /16s and 115 /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: 8449 Total AfriNIC prefixes after maximum aggregation: 2359 AfriNIC Deaggregation factor: 3.58 Prefixes being announced from the AfriNIC address blocks: 10905 Unique aggregates announced from the AfriNIC address blocks: 3943 AfriNIC Region origin ASes present in the Internet Routing Table: 245 AfriNIC Prefixes per ASN: 44.51 AfriNIC Region origin ASes announcing only one prefix: 93 AfriNIC Region transit ASes present in the Internet Routing Table: 66 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 110 Number of AfriNIC addresses announced to Internet: 40843520 Equivalent to 2 /8s, 111 /16s and 57 /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 9544 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1493 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1415 826 105 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 754 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 675 4270 56 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 9340 11141 3302 AMAZON-02, US 22773 3503 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3012 3862 1417 DNIC-ASBLK-00306-00371, US 7018 2586 23619 1601 ATT-INTERNET4, US 5650 1957 2744 1317 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1837 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1744 3065 423 CELLCO-PART, US 209 1718 4900 333 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 1533 136 1229 AKAMAI-ASN1, NL 3215 917 4899 290 France Telecom - Orange, FR 8452 902 1841 14 TE-AS TE-AS, EG 61317 892 60 764 ASDETUK www.heficed.com, US 25019 837 1035 152 SAUDINETSTC-AS, SA 34984 783 94 496 TELLCOM-AS, TR 58224 716 469 492 TCI, IR 8386 706 108 244 KOCNET, TR 8376 676 54 17 Jordan Data Communications, JO 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 5828 1668 996 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1961 277 1261 Telmex Colombia S.A., CO 3816 1302 781 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1083 369 22 Telefonica del Peru S.A.A., PE 26615 1040 2502 52 TIM SA, BR 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 906 147 399 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 1192 388 22 LINKdotNET-AS, EG 24835 1031 457 25 RAYA-AS, EG 36935 672 520 41 Vodafone-, EG 36992 656 950 346 ETISALAT-MISR, EG 36903 415 192 302 MT-MPLS, MA 15399 410 35 175 WANANCHI-, KE 29571 388 37 161 ORANGE-COTE-IVOIRE, CI 2018 372 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 36914 246 82 3 KENET-AS, KE 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 9544 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9340 11141 3302 AMAZON-02, US 8151 5828 1668 996 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3503 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3012 3862 1417 DNIC-ASBLK-00306-00371, US 7018 2586 23619 1601 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1961 277 1261 Telmex Colombia S.A., CO 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 9340 6038 AMAZON-02, US 8151 5828 4832 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3503 3207 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1837 1614 ATLANTICBB-JOHNSTOWN, US 367 3012 1595 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1493 1459 CMNET-HUNAN-AP China Mobile communications corp 209 1718 1385 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 /10:28 /11:43 /12:124 /13:190 /14:503 /15:1000 /16:7437 /17:3487 /18:4039 /19:7846 /20:12130 /21:15380 /22:28638 /23:28887 /24:145892 /25:84 /26:62 /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 3091 5828 UNINET, MX 22773 2562 3503 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1920 9340 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1382 1957 FRONTIER-FRTR, US 10620 1179 1961 Telmex Colombia S.A., CO 7018 1151 2586 ATT-INTERNET4, US 209 969 1718 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 2:529 3:243 4:5 5:1334 6:151 7:5 8:735 11:171 12:1098 13:315 14:104 15:282 16:166 17:6 18:634 20:240 21:4 22:188 23:2334 24:755 25:2 27:25 29:19 31:440 32:39 34:2 35:55 36:1058 37:937 38:1309 39:502 40:60 41:876 42:21 43:204 44:42 45:3412 46:863 47:218 49:13 50:343 51:481 52:1386 54:354 55:877 56:5 57:24 58:34 59:32 60:18 61:71 62:601 63:883 64:2066 65:1148 66:2273 67:958 68:640 69:1209 70:502 71:265 72:709 74:1046 75:436 76:225 77:339 78:560 79:256 80:389 81:366 82:314 83:162 84:364 85:433 86:215 87:274 88:228 89:674 90:92 91:957 92:490 93:917 94:670 95:1243 96:277 97:72 98:538 99:163 100:45 101:26 102:296 103:1179 104:1400 105:67 106:42 107:1386 108:532 109:340 110:37 111:1731 112:469 113:46 114:32 115:18 116:44 117:900 118:62 119:125 120:1071 121:35 122:93 123:78 124:55 125:17 128:462 129:375 130:613 131:1088 132:513 133:263 134:459 135:123 136:409 137:548 138:862 139:535 140:575 141:272 142:790 143:667 144:374 145:89 146:598 147:417 148:668 149:717 150:284 151:550 152:517 153:146 154:661 155:764 156:616 157:318 158:441 159:675 160:662 161:632 162:950 163:404 164:681 165:569 166:580 167:625 168:1414 169:178 170:1549 171:100 172:1308 173:828 174:283 175:41 176:825 177:859 178:391 179:676 180:51 181:1622 182:15 183:877 184:504 185:3497 186:1832 187:879 188:817 189:1287 190:4188 191:309 192:4926 193:1973 194:1459 195:1164 196:932 197:628 198:2597 199:3116 200:3231 201:3218 202:1075 203:640 204:2247 205:1850 206:1645 207:1435 208:1433 209:1933 210:333 211:452 212:1041 213:862 214:1065 215:65 216:2539 217:579 218:521 219:23 220:29 221:289 222:34 223:621 End of report