IPv4 R&E Routing Table Report 20:15 GMT Tue 23 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: 189774 Prefixes after maximum aggregation (per Origin AS): 83344 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 104350 Number of IPv4 prefixes with a valid ROA: 72783 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 116968 Total ASes present in the Internet Routing Table: 16132 Prefixes per ASN: 11.76 Origin-only ASes present in the Internet Routing Table: 13991 Origin ASes announcing only one prefix: 6432 Transit ASes present in the Internet Routing Table: 2141 Transit-only ASes present in the Internet Routing Table: 589 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: 43432 Number of 32-bit ASNs visible in the Routing Table: 5769 Prefixes from 32-bit ASNs in the Routing Table: 19261 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: 1078634665 Equivalent to 64 /8s, 74 /16s and 168 /24s Percentage of available address space announced: 29.1 Percentage of allocated address space announced: 29.1 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: 57017 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28888 Total APNIC prefixes after maximum aggregation: 6573 APNIC Deaggregation factor: 4.39 Prefixes being announced from the APNIC address blocks: 28598 Unique aggregates announced from the APNIC address blocks: 7745 APNIC Region origin ASes present in the Internet Routing Table: 1065 APNIC Prefixes per ASN: 26.85 APNIC Region origin ASes announcing only one prefix: 441 APNIC Region transit ASes present in the Internet Routing Table: 174 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: 457 Number of APNIC addresses announced to Internet: 172997768 Equivalent to 10 /8s, 79 /16s and 188 /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: 83306 Total ARIN prefixes after maximum aggregation: 45790 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82593 Unique aggregates announced from the ARIN address blocks: 51612 ARIN Region origin ASes present in the Internet Routing Table: 7389 ARIN Prefixes per ASN: 11.18 ARIN Region origin ASes announcing only one prefix: 3176 ARIN Region transit ASes present in the Internet Routing Table: 655 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: 1505 Number of ARIN addresses announced to Internet: 606694625 Equivalent to 36 /8s, 41 /16s and 108 /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: 40537 Total RIPE prefixes after maximum aggregation: 18936 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 40511 Unique aggregates announced from the RIPE address blocks: 26560 RIPE Region origin ASes present in the Internet Routing Table: 3726 RIPE Prefixes per ASN: 10.87 RIPE Region origin ASes announcing only one prefix: 1624 RIPE Region transit ASes present in the Internet Routing Table: 545 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: 1347 Number of RIPE addresses announced to Internet: 196984896 Equivalent to 11 /8s, 189 /16s and 192 /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: 32134 Total LACNIC prefixes after maximum aggregation: 10170 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31884 Unique aggregates announced from the LACNIC address blocks: 15552 LACNIC Region origin ASes present in the Internet Routing Table: 3060 LACNIC Prefixes per ASN: 10.42 LACNIC Region origin ASes announcing only one prefix: 1108 LACNIC Region transit ASes present in the Internet Routing Table: 602 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: 2362 Number of LACNIC addresses announced to Internet: 73864704 Equivalent to 4 /8s, 103 /16s and 22 /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: 4678 Total AfriNIC prefixes after maximum aggregation: 1688 AfriNIC Deaggregation factor: 2.77 Prefixes being announced from the AfriNIC address blocks: 6111 Unique aggregates announced from the AfriNIC address blocks: 2806 AfriNIC Region origin ASes present in the Internet Routing Table: 210 AfriNIC Prefixes per ASN: 29.10 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 60 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: 98 Number of AfriNIC addresses announced to Internet: 28052480 Equivalent to 1 /8s, 172 /16s and 12 /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 9602 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1468 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1439 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1436 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 444 488 104 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 9474 11230 3412 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2976 3833 1436 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1506 394 667 DNIC-ASBLK-05800-06055, US 4155 1064 69 876 USDA-1, US 855 963 255 83 CANET-ASN-4, CA 7979 962 64 193 SERVERS-COM, US 16625 918 433 844 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 1409 120 1136 AKAMAI-ASN1, NL 3215 898 4811 302 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 721 60 22 Jordan Data Communications, JO 8452 695 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 35819 424 416 70 MOBILY-AS Etihad Etisalat Company Mobil 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 5181 1510 944 UNINET, MX 3816 1306 787 192 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 985 1120 28 TELEFONICA BRASIL S.A, BR 11664 575 106 221 Techtel LMDS Comunicaciones Interactiva 26599 548 2941 45 TELEFONICA BRASIL S.A, BR 10620 491 66 411 Telmex Colombia S.A., CO 13999 430 65 173 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 545 275 157 LINKdotNET-AS, EG 36914 487 82 3 KENET-AS, KE 29571 404 29 207 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36992 305 670 169 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 202 32 7 Sudatel, SD 37492 164 471 43 ORANGE-, TN 327687 163 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 9602 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9474 11230 3412 AMAZON-02, US 8151 5181 1510 944 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2976 3833 1436 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1713 4899 324 CENTURYLINK-US-LEGACY-QWEST, US 5972 1506 394 667 DNIC-ASBLK-05800-06055, US 56047 1468 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 9474 6062 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5181 4237 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2976 1540 DNIC-ASBLK-00306-00371, US 56047 1468 1434 CMNET-HUNAN-AP China Mobile communications corp 209 1713 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1439 1366 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1436 1329 CMNET-JIANGSU-AP China Mobile communications co 3816 1306 1114 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 /16:5595 /17:2686 /18:2823 /19:5777 /20:9168 /21:11228 /22:20708 /23:20530 /24:109616 /25:79 /26:50 /27:69 /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 2822 5181 UNINET, MX 16509 1970 9474 AMAZON-02, US 209 968 1713 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 669 806 BRSPD-PUBLIC, US 8376 564 721 Jordan Data Communications, JO 15897 479 559 VODAFONETURKEY, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:9 2:482 3:252 5:1134 6:150 7:5 8:619 11:171 12:256 13:316 14:102 15:279 16:165 17:6 18:660 20:49 21:4 22:188 23:1827 24:539 25:2 27:15 29:19 31:264 32:2 34:2 35:52 36:1103 37:513 38:822 39:512 40:8 41:628 42:12 43:171 44:31 45:2318 46:637 47:149 49:14 50:296 51:468 52:1366 54:323 55:830 57:18 58:6 59:30 60:19 61:59 62:353 63:477 64:1528 65:821 66:1322 67:717 68:153 69:806 70:157 71:210 72:364 74:770 75:389 76:237 77:245 78:570 79:158 80:225 81:233 82:195 83:91 84:181 85:409 86:156 87:171 88:140 89:315 90:98 91:588 92:396 93:799 94:510 95:1113 96:169 97:36 98:129 99:147 100:41 101:21 102:194 103:935 104:745 105:16 106:2 107:268 108:356 109:234 110:31 111:1729 112:445 113:41 114:30 115:10 116:30 117:949 118:46 119:97 120:1080 121:32 122:86 123:20 124:55 125:12 128:408 129:289 130:501 131:830 132:507 133:263 134:333 135:65 136:367 137:423 138:713 139:461 140:508 141:179 142:755 143:601 144:324 145:79 146:487 147:330 148:590 149:516 150:284 151:538 152:354 153:113 154:464 155:658 156:403 157:238 158:302 159:531 160:542 161:451 162:703 163:271 164:619 165:390 166:127 167:384 168:965 169:148 170:1183 171:60 172:964 173:634 174:113 175:38 176:441 177:680 178:366 179:483 180:43 181:1055 182:10 183:857 184:216 185:2499 186:1009 187:748 188:680 189:1007 190:2990 191:214 192:3740 193:1385 194:901 195:682 196:463 197:658 198:1943 199:2928 200:2897 201:2581 202:906 203:592 204:1780 205:1622 206:1082 207:1093 208:967 209:1379 210:310 211:458 212:758 213:666 214:1068 215:37 216:1756 217:371 218:515 219:29 220:26 221:292 222:23 223:619 End of report