IPv4 R&E Routing Table Report 20:15 GMT Wed 31 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: 189684 Prefixes after maximum aggregation (per Origin AS): 82651 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 103330 Number of IPv4 prefixes with a valid ROA: 73134 Number of IPv4 prefixes with an invalid ROA: 22 Number of IPv4 prefixes with no ROA: 116528 Total ASes present in the Internet Routing Table: 16043 Prefixes per ASN: 11.82 Origin-only ASes present in the Internet Routing Table: 13902 Origin ASes announcing only one prefix: 6415 Transit ASes present in the Internet Routing Table: 2141 Transit-only ASes present in the Internet Routing Table: 582 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: 28 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 235 Number of instances of unregistered ASNs: 235 Number of 32-bit ASNs allocated by the RIRs: 43515 Number of 32-bit ASNs visible in the Routing Table: 5771 Prefixes from 32-bit ASNs in the Routing Table: 19460 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: 79 Number of addresses announced to Internet: 1074240681 Equivalent to 64 /8s, 7 /16s and 156 /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: 56470 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28853 Total APNIC prefixes after maximum aggregation: 6555 APNIC Deaggregation factor: 4.40 Prefixes being announced from the APNIC address blocks: 28568 Unique aggregates announced from the APNIC address blocks: 7695 APNIC Region origin ASes present in the Internet Routing Table: 1044 APNIC Prefixes per ASN: 27.36 APNIC Region origin ASes announcing only one prefix: 439 APNIC Region transit ASes present in the Internet Routing Table: 172 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: 437 Number of APNIC addresses announced to Internet: 172623496 Equivalent to 10 /8s, 74 /16s and 6 /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: 83328 Total ARIN prefixes after maximum aggregation: 45719 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82648 Unique aggregates announced from the ARIN address blocks: 51737 ARIN Region origin ASes present in the Internet Routing Table: 7389 ARIN Prefixes per ASN: 11.19 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: 1505 Number of ARIN addresses announced to Internet: 606657249 Equivalent to 36 /8s, 40 /16s and 218 /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: 39464 Total RIPE prefixes after maximum aggregation: 18320 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 39524 Unique aggregates announced from the RIPE address blocks: 25609 RIPE Region origin ASes present in the Internet Routing Table: 3583 RIPE Prefixes per ASN: 11.03 RIPE Region origin ASes announcing only one prefix: 1565 RIPE Region transit ASes present in the Internet Routing Table: 535 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: 1294 Number of RIPE addresses announced to Internet: 192267072 Equivalent to 11 /8s, 117 /16s and 195 /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: 33099 Total LACNIC prefixes after maximum aggregation: 10188 LACNIC Deaggregation factor: 3.25 Prefixes being announced from the LACNIC address blocks: 32833 Unique aggregates announced from the LACNIC address blocks: 15435 LACNIC Region origin ASes present in the Internet Routing Table: 3147 LACNIC Prefixes per ASN: 10.43 LACNIC Region origin ASes announcing only one prefix: 1154 LACNIC Region transit ASes present in the Internet Routing Table: 618 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: 2439 Number of LACNIC addresses announced to Internet: 74294784 Equivalent to 4 /8s, 109 /16s and 166 /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: 4705 Total AfriNIC prefixes after maximum aggregation: 1679 AfriNIC Deaggregation factor: 2.80 Prefixes being announced from the AfriNIC address blocks: 6032 Unique aggregates announced from the AfriNIC address blocks: 2777 AfriNIC Region origin ASes present in the Internet Routing Table: 204 AfriNIC Prefixes per ASN: 29.57 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 56 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: 96 Number of AfriNIC addresses announced to Internet: 28355584 Equivalent to 1 /8s, 176 /16s and 172 /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 9629 8738 50 CHINAMOBILE-CN China Mobile Communicati 56047 1469 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1441 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1435 842 107 CMNET-JIANGSU-AP China Mobile communica 24547 782 168 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 7497 439 180 23 CSTNET-AS-AP Computer Network Informati 56040 438 488 105 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 9565 11243 3358 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2914 3724 1425 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1711 4899 323 CENTURYLINK-US-LEGACY-QWEST, US 5972 1486 394 661 DNIC-ASBLK-05800-06055, US 4155 1112 72 908 USDA-1, US 7979 974 64 193 SERVERS-COM, US 855 963 255 83 CANET-ASN-4, CA 16625 945 446 866 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 1137 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 22 Jordan Data Communications, JO 8452 615 1841 12 TE-AS TE-AS, EG 15897 559 183 28 VODAFONETURKEY, TR 29580 481 52 202 A1BG_RSG A1 EAD, BG 35819 439 440 74 MOBILY-AS Etihad Etisalat Company Mobil 51167 435 77 184 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 5607 1586 857 UNINET, MX 3816 1306 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1044 324 7 Instituto Costarricense de Electricidad 18881 987 1120 28 TELEFONICA BRASIL S.A, BR 11664 578 106 218 Techtel LMDS Comunicaciones Interactiva 26599 549 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 568 277 163 LINKdotNET-AS, EG 36914 481 82 3 KENET-AS, KE 29571 411 30 211 ORANGE-COTE-IVOIRE, CI 2018 379 319 70 TENET-1, ZA 36992 314 688 169 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 212 166 119 RAYA-AS, EG 15706 203 32 7 Sudatel, SD 37492 170 471 44 ORANGE-, TN 327687 161 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 9629 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9565 11243 3358 AMAZON-02, US 8151 5607 1586 857 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2914 3724 1425 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1711 4899 323 CENTURYLINK-US-LEGACY-QWEST, US 5972 1486 394 661 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 9565 6207 AMAZON-02, US 8151 5607 4750 UNINET, MX 39891 4658 4603 ALJAWWALSTC-AS, SA 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2914 1489 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1711 1388 CENTURYLINK-US-LEGACY-QWEST, US 56041 1441 1368 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1435 1328 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 /11:29 /12:77 /13:130 /14:366 /15:740 /16:5578 /17:2683 /18:2824 /19:5794 /20:9228 /21:11506 /22:20656 /23:20895 /24:108883 /25:80 /26:52 /27:73 /28:18 /29:21 /30:15 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3340 4658 ALJAWWALSTC-AS, SA 8151 2947 5607 UNINET, MX 16509 2016 9565 AMAZON-02, US 209 967 1711 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1850 ATLANTICBB-JOHNSTOWN, US 11830 884 1044 Instituto Costarricense de Electricidad y Telec 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 671 808 BRSPD-PUBLIC, US 8376 569 720 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) ---------------------------------------------- 1:8 2:483 3:257 5:1091 6:150 7:5 8:620 11:171 12:256 13:321 14:101 15:280 16:168 17:6 18:668 20:30 21:4 22:188 23:1853 24:537 25:2 27:15 29:19 31:237 32:2 34:2 35:53 36:1110 37:507 38:850 39:520 40:8 41:625 42:13 43:169 44:38 45:2356 46:600 47:148 49:14 50:288 51:468 52:1366 54:323 55:885 57:18 58:6 59:31 60:19 61:60 62:329 63:481 64:1537 65:821 66:1330 67:724 68:153 69:782 70:154 71:209 72:373 74:765 75:391 76:206 77:243 78:565 79:168 80:199 81:210 82:174 83:97 84:174 85:333 86:147 87:171 88:139 89:311 90:97 91:570 92:392 93:791 94:544 95:1101 96:169 97:35 98:131 99:147 100:42 101:23 102:188 103:896 104:753 105:16 106:2 107:285 108:365 109:232 110:26 111:1743 112:446 113:39 114:31 115:10 116:30 117:951 118:46 119:96 120:1088 121:32 122:86 123:20 124:55 125:11 128:410 129:287 130:505 131:749 132:499 133:263 134:332 135:67 136:368 137:446 138:714 139:447 140:511 141:177 142:725 143:610 144:316 145:77 146:489 147:330 148:573 149:520 150:279 151:548 152:354 153:113 154:464 155:658 156:371 157:238 158:314 159:519 160:538 161:458 162:711 163:267 164:615 165:393 166:126 167:384 168:965 169:151 170:1201 171:62 172:976 173:639 174:111 175:38 176:423 177:720 178:291 179:491 180:43 181:1051 182:11 183:859 184:210 185:2304 186:1019 187:934 188:546 189:986 190:2991 191:224 192:3739 193:1341 194:886 195:674 196:462 197:644 198:1955 199:2949 200:2863 201:2426 202:897 203:594 204:1763 205:1632 206:1105 207:1093 208:997 209:1360 210:304 211:448 212:770 213:669 214:1063 215:37 216:1718 217:352 218:515 219:29 220:27 221:292 222:23 223:621 End of report