IPv4 R&E Routing Table Report 20:15 GMT Sun 21 Jan, 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: 188782 Prefixes after maximum aggregation (per Origin AS): 82847 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 103263 Number of IPv4 prefixes with a valid ROA: 72032 Number of IPv4 prefixes with an invalid ROA: 22 Number of IPv4 prefixes with no ROA: 116728 Total ASes present in the Internet Routing Table: 16143 Prefixes per ASN: 11.69 Origin-only ASes present in the Internet Routing Table: 14007 Origin ASes announcing only one prefix: 6423 Transit ASes present in the Internet Routing Table: 2136 Transit-only ASes present in the Internet Routing Table: 600 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: 27 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 231 Number of instances of unregistered ASNs: 231 Number of 32-bit ASNs allocated by the RIRs: 43438 Number of 32-bit ASNs visible in the Routing Table: 5779 Prefixes from 32-bit ASNs in the Routing Table: 19007 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: 77 Number of addresses announced to Internet: 1073156265 Equivalent to 63 /8s, 247 /16s and 16 /24s Percentage of available address space announced: 29.0 Percentage of allocated address space announced: 29.0 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: 56816 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28148 Total APNIC prefixes after maximum aggregation: 6279 APNIC Deaggregation factor: 4.48 Prefixes being announced from the APNIC address blocks: 27864 Unique aggregates announced from the APNIC address blocks: 7076 APNIC Region origin ASes present in the Internet Routing Table: 1059 APNIC Prefixes per ASN: 26.31 APNIC Region origin ASes announcing only one prefix: 443 APNIC Region transit ASes present in the Internet Routing Table: 176 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 459 Number of APNIC addresses announced to Internet: 167400584 Equivalent to 9 /8s, 250 /16s and 84 /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: 83406 Total ARIN prefixes after maximum aggregation: 45896 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82457 Unique aggregates announced from the ARIN address blocks: 51513 ARIN Region origin ASes present in the Internet Routing Table: 7395 ARIN Prefixes per ASN: 11.15 ARIN Region origin ASes announcing only one prefix: 3175 ARIN Region transit ASes present in the Internet Routing Table: 657 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: 1504 Number of ARIN addresses announced to Internet: 606570721 Equivalent to 36 /8s, 39 /16s and 136 /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: 39957 Total RIPE prefixes after maximum aggregation: 18583 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 40191 Unique aggregates announced from the RIPE address blocks: 26159 RIPE Region origin ASes present in the Internet Routing Table: 3726 RIPE Prefixes per ASN: 10.79 RIPE Region origin ASes announcing only one prefix: 1616 RIPE Region transit ASes present in the Internet Routing Table: 541 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1364 Number of RIPE addresses announced to Internet: 197031488 Equivalent to 11 /8s, 190 /16s and 118 /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: 32406 Total LACNIC prefixes after maximum aggregation: 10230 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 32154 Unique aggregates announced from the LACNIC address blocks: 15666 LACNIC Region origin ASes present in the Internet Routing Table: 3067 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 1109 LACNIC Region transit ASes present in the Internet Routing Table: 600 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: 2358 Number of LACNIC addresses announced to Internet: 74054400 Equivalent to 4 /8s, 105 /16s and 251 /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: 4634 Total AfriNIC prefixes after maximum aggregation: 1672 AfriNIC Deaggregation factor: 2.77 Prefixes being announced from the AfriNIC address blocks: 6039 Unique aggregates announced from the AfriNIC address blocks: 2774 AfriNIC Region origin ASes present in the Internet Routing Table: 203 AfriNIC Prefixes per ASN: 29.75 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 57 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 94 Number of AfriNIC addresses announced to Internet: 28058880 Equivalent to 1 /8s, 172 /16s and 37 /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 9589 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1437 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1431 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 771 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 600 2162 465 SINET-AS Research Organization of Infor 24445 476 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 446 488 105 CMNET-GUANGDONG-AP China Mobile communi 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 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 9452 11226 3400 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2957 3828 1420 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1703 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 670 DNIC-ASBLK-05800-06055, US 4155 1044 68 862 USDA-1, US 855 963 255 83 CANET-ASN-4, CA 7979 958 63 192 SERVERS-COM, US 16625 938 433 863 AKAMAI-AS, 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 4658 280 55 ALJAWWALSTC-AS, SA 20940 1403 119 1127 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 731 60 22 Jordan Data Communications, JO 34984 699 79 433 TELLCOM-AS, TR 8452 670 1841 12 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 51167 433 75 183 CONTABO, DE 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 5241 1526 946 UNINET, MX 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1085 324 7 Instituto Costarricense de Electricidad 18881 984 1120 28 TELEFONICA BRASIL S.A, BR 11664 576 107 219 Techtel LMDS Comunicaciones Interactiva 26599 548 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 432 67 174 Mega Cable, S.A. de C.V., MX 27651 329 62 8 ENTEL CHILE S.A., CL 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 534 273 153 LINKdotNET-AS, EG 36914 478 82 3 KENET-AS, KE 29571 404 29 207 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 294 655 162 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 37492 165 471 43 ORANGE-, TN 327687 162 28 3 RENU, UG 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 9589 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9452 11226 3400 AMAZON-02, US 8151 5241 1526 946 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2957 3828 1420 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1703 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1512 394 670 DNIC-ASBLK-05800-06055, US 56047 1469 188 34 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 16509 9452 6052 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5241 4295 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2957 1537 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1703 1379 CENTURYLINK-US-LEGACY-QWEST, US 56041 1437 1364 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1431 1324 CMNET-JIANGSU-AP China Mobile communications co 3816 1305 1108 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 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 13342 UNALLOCATED 12.17.5.0/24 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 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 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 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM 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 /9:4 /10:14 /11:30 /12:78 /13:135 /14:369 /15:743 /16:5577 /17:2605 /18:2777 /19:5722 /20:9062 /21:10945 /22:20620 /23:20528 /24:109295 /25:79 /26:52 /27:75 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2843 5241 UNINET, MX 16509 1970 9452 AMAZON-02, US 209 962 1703 CENTURYLINK-US-LEGACY-QWEST, US 11830 924 1085 Instituto Costarricense de Electricidad y Telec 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 668 805 BRSPD-PUBLIC, US 8376 574 731 Jordan Data Communications, JO 34984 550 699 TELLCOM-AS, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:9 2:414 3:252 5:1098 6:150 7:5 8:620 11:171 12:256 13:315 14:99 15:279 16:165 17:6 18:656 20:32 21:4 22:188 23:1799 24:539 25:2 27:16 29:19 31:245 32:2 34:2 35:52 36:1101 37:509 38:821 39:511 40:7 41:621 42:12 43:176 44:30 45:2354 46:611 47:149 49:14 50:295 51:468 52:1366 54:323 55:861 57:18 58:6 59:29 60:19 61:59 62:350 63:474 64:1534 65:822 66:1322 67:724 68:153 69:766 70:157 71:210 72:363 74:762 75:389 76:214 77:251 78:541 79:185 80:218 81:203 82:188 83:102 84:215 85:342 86:149 87:216 88:158 89:312 90:98 91:587 92:400 93:795 94:523 95:1097 96:169 97:36 98:131 99:149 100:41 101:21 102:189 103:936 104:741 105:16 106:2 107:205 108:351 109:236 110:31 111:1730 112:468 113:43 114:30 115:10 116:26 117:947 118:46 119:100 120:1070 121:32 122:81 123:20 124:55 125:12 128:354 129:292 130:504 131:886 132:506 133:264 134:334 135:67 136:364 137:419 138:711 139:460 140:499 141:179 142:726 143:604 144:314 145:79 146:485 147:329 148:591 149:512 150:282 151:536 152:354 153:113 154:459 155:657 156:403 157:235 158:299 159:538 160:543 161:461 162:703 163:270 164:618 165:378 166:110 167:380 168:974 169:148 170:1178 171:60 172:892 173:637 174:113 175:38 176:678 177:704 178:317 179:491 180:44 181:1060 182:10 183:858 184:215 185:2392 186:1017 187:799 188:550 189:1020 190:2985 191:214 192:3737 193:1382 194:903 195:686 196:468 197:644 198:1942 199:2915 200:2902 201:2603 202:892 203:590 204:1792 205:1619 206:1101 207:1097 208:1003 209:1380 210:293 211:458 212:762 213:677 214:1064 215:37 216:1756 217:397 218:515 219:19 220:26 221:291 222:18 223:615 End of report