IPv4 R&E Routing Table Report 20:15 GMT Thu 15 Feb, 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: 187601 Prefixes after maximum aggregation (per Origin AS): 81861 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 102576 Number of IPv4 prefixes with a valid ROA: 72308 Number of IPv4 prefixes with an invalid ROA: 21 Number of IPv4 prefixes with no ROA: 115272 Total ASes present in the Internet Routing Table: 15896 Prefixes per ASN: 11.80 Origin-only ASes present in the Internet Routing Table: 13738 Origin ASes announcing only one prefix: 6307 Transit ASes present in the Internet Routing Table: 2158 Transit-only ASes present in the Internet Routing Table: 568 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 28 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 225 Number of instances of unregistered ASNs: 225 Number of 32-bit ASNs allocated by the RIRs: 43640 Number of 32-bit ASNs visible in the Routing Table: 5806 Prefixes from 32-bit ASNs in the Routing Table: 19173 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: 80 Number of addresses announced to Internet: 1069484601 Equivalent to 63 /8s, 191 /16s and 10 /24s Percentage of available address space announced: 28.9 Percentage of allocated address space announced: 28.9 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: 55574 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28695 Total APNIC prefixes after maximum aggregation: 6521 APNIC Deaggregation factor: 4.40 Prefixes being announced from the APNIC address blocks: 28496 Unique aggregates announced from the APNIC address blocks: 7550 APNIC Region origin ASes present in the Internet Routing Table: 1092 APNIC Prefixes per ASN: 26.10 APNIC Region origin ASes announcing only one prefix: 448 APNIC Region transit ASes present in the Internet Routing Table: 184 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: 467 Number of APNIC addresses announced to Internet: 170903176 Equivalent to 10 /8s, 47 /16s and 198 /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: 81923 Total ARIN prefixes after maximum aggregation: 44831 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 80920 Unique aggregates announced from the ARIN address blocks: 50398 ARIN Region origin ASes present in the Internet Routing Table: 7160 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3060 ARIN Region transit ASes present in the Internet Routing Table: 643 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: 1436 Number of ARIN addresses announced to Internet: 605300449 Equivalent to 36 /8s, 20 /16s and 38 /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: 38538 Total RIPE prefixes after maximum aggregation: 17927 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 38915 Unique aggregates announced from the RIPE address blocks: 25224 RIPE Region origin ASes present in the Internet Routing Table: 3509 RIPE Prefixes per ASN: 11.09 RIPE Region origin ASes announcing only one prefix: 1536 RIPE Region transit ASes present in the Internet Routing Table: 530 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1272 Number of RIPE addresses announced to Internet: 189535696 Equivalent to 11 /8s, 76 /16s and 21 /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: 32788 Total LACNIC prefixes after maximum aggregation: 10477 LACNIC Deaggregation factor: 3.13 Prefixes being announced from the LACNIC address blocks: 32554 Unique aggregates announced from the LACNIC address blocks: 15967 LACNIC Region origin ASes present in the Internet Routing Table: 3267 LACNIC Prefixes per ASN: 9.96 LACNIC Region origin ASes announcing only one prefix: 1174 LACNIC Region transit ASes present in the Internet Routing Table: 639 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2527 Number of LACNIC addresses announced to Internet: 73957376 Equivalent to 4 /8s, 104 /16s and 128 /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: 5432 Total AfriNIC prefixes after maximum aggregation: 1922 AfriNIC Deaggregation factor: 2.83 Prefixes being announced from the AfriNIC address blocks: 6636 Unique aggregates announced from the AfriNIC address blocks: 3359 AfriNIC Region origin ASes present in the Internet Routing Table: 210 AfriNIC Prefixes per ASN: 31.60 AfriNIC Region origin ASes announcing only one prefix: 89 AfriNIC Region transit ASes present in the Internet Routing Table: 60 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 104 Number of AfriNIC addresses announced to Internet: 29740800 Equivalent to 1 /8s, 197 /16s and 207 /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 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1435 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1435 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 777 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 56040 437 488 105 CMNET-GUANGDONG-AP China Mobile communi 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 9655 11229 3360 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2920 3695 1420 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1710 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1473 395 651 DNIC-ASBLK-05800-06055, US 4155 1175 76 951 USDA-1, US 7979 983 65 194 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 929 433 854 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 1375 114 1108 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 714 60 22 Jordan Data Communications, JO 8452 566 1841 11 TE-AS TE-AS, EG 15897 551 183 28 VODAFONETURKEY, TR 51167 435 77 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 419 60 344 TELLCOM-AS, 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 5356 1549 949 UNINET, MX 3816 1305 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1087 369 22 Telefonica del Peru S.A.A., PE 11830 1042 324 5 Instituto Costarricense de Electricidad 18881 989 1120 28 TELEFONICA BRASIL S.A, BR 11664 589 108 221 Techtel LMDS Comunicaciones Interactiva 26599 547 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 479 69 212 Mega Cable, S.A. de C.V., MX 28343 308 58 93 UNIFIQUE TELECOMUNICACOES SA, 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 29571 704 47 287 ORANGE-COTE-IVOIRE, CI 24863 663 283 179 LINKdotNET-AS, EG 36992 563 829 302 ETISALAT-MISR, EG 36914 493 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 36935 265 67 78 Vodafone-, EG 24835 187 158 107 RAYA-AS, EG 37492 169 471 44 ORANGE-, TN 327687 162 28 3 RENU, UG 37693 145 595 51 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 16509 9655 11229 3360 AMAZON-02, US 9808 9636 8738 50 CHINAMOBILE-CN China Mobile Communicati 8151 5356 1549 949 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2920 3695 1420 DNIC-ASBLK-00306-00371, US 11776 1855 256 219 ATLANTICBB-JOHNSTOWN, US 209 1710 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1473 395 651 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 9808 9636 9586 CHINAMOBILE-CN China Mobile Communications Grou 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5356 4407 UNINET, MX 11776 1855 1636 ATLANTICBB-JOHNSTOWN, US 367 2920 1500 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1710 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1435 1362 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1435 1328 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 41.77.208.0/22 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 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 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 /11:29 /12:76 /13:131 /14:361 /15:739 /16:5548 /17:2689 /18:2774 /19:5683 /20:8936 /21:10962 /22:20539 /23:20730 /24:108111 /25:79 /26:51 /27:73 /28:19 /29:21 /30:14 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2918 5356 UNINET, MX 16509 2042 9655 AMAZON-02, US 209 966 1710 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1855 ATLANTICBB-JOHNSTOWN, US 11830 882 1042 Instituto Costarricense de Electricidad y Telec 6147 685 1087 Telefonica del Peru S.A.A., PE 19901 680 817 BRSPD-PUBLIC, US 8376 557 714 Jordan Data Communications, JO 36914 478 493 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:403 3:266 5:1094 6:152 7:5 8:616 11:171 12:253 13:328 14:98 15:280 16:169 17:6 18:685 20:30 21:4 22:188 23:1877 24:395 25:2 27:17 29:19 31:218 32:1 34:2 35:53 36:1109 37:591 38:821 39:523 40:8 41:659 42:15 43:175 44:29 45:2420 46:639 47:148 49:10 50:251 51:473 52:1360 54:297 55:878 57:17 58:6 59:33 60:19 61:62 62:379 63:459 64:1444 65:809 66:1265 67:677 68:143 69:708 70:151 71:196 72:377 74:722 75:392 76:200 77:265 78:551 79:166 80:204 81:188 82:181 83:97 84:194 85:327 86:152 87:158 88:97 89:335 90:97 91:568 92:387 93:812 94:493 95:1096 96:168 97:30 98:130 99:147 100:22 101:25 102:182 103:990 104:667 105:143 106:2 107:228 108:305 109:217 110:30 111:1742 112:455 113:42 114:31 115:11 116:32 117:951 118:45 119:99 120:1088 121:32 122:78 123:20 124:55 125:12 128:348 129:282 130:508 131:785 132:510 133:265 134:333 135:69 136:363 137:435 138:728 139:426 140:575 141:192 142:697 143:591 144:310 145:80 146:497 147:322 148:591 149:498 150:280 151:545 152:355 153:116 154:467 155:646 156:301 157:236 158:319 159:526 160:766 161:458 162:679 163:289 164:591 165:384 166:104 167:379 168:968 169:149 170:1252 171:63 172:889 173:611 174:108 175:36 176:426 177:790 178:269 179:497 180:44 181:961 182:8 183:853 184:207 185:2321 186:1015 187:806 188:541 189:1108 190:2946 191:183 192:3694 193:1337 194:887 195:657 196:450 197:661 198:1895 199:2958 200:2736 201:2629 202:930 203:635 204:1731 205:1648 206:1069 207:1031 208:963 209:1352 210:293 211:445 212:767 213:662 214:1074 215:37 216:1666 217:353 218:515 219:20 220:30 221:292 222:18 223:627 End of report