IPv4 R&E Routing Table Report 20:15 GMT Mon 29 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: 190151 Prefixes after maximum aggregation (per Origin AS): 83482 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 104194 Number of IPv4 prefixes with a valid ROA: 73182 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 116946 Total ASes present in the Internet Routing Table: 16151 Prefixes per ASN: 11.77 Origin-only ASes present in the Internet Routing Table: 14002 Origin ASes announcing only one prefix: 6460 Transit ASes present in the Internet Routing Table: 2149 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: 26 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 230 Number of instances of unregistered ASNs: 230 Number of 32-bit ASNs allocated by the RIRs: 43497 Number of 32-bit ASNs visible in the Routing Table: 5814 Prefixes from 32-bit ASNs in the Routing Table: 19356 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: 76 Number of addresses announced to Internet: 1076945833 Equivalent to 64 /8s, 48 /16s and 227 /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: 56783 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28881 Total APNIC prefixes after maximum aggregation: 6545 APNIC Deaggregation factor: 4.41 Prefixes being announced from the APNIC address blocks: 28589 Unique aggregates announced from the APNIC address blocks: 7698 APNIC Region origin ASes present in the Internet Routing Table: 1046 APNIC Prefixes per ASN: 27.33 APNIC Region origin ASes announcing only one prefix: 440 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: 441 Number of APNIC addresses announced to Internet: 172874632 Equivalent to 10 /8s, 77 /16s and 219 /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: 83510 Total ARIN prefixes after maximum aggregation: 45907 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 82829 Unique aggregates announced from the ARIN address blocks: 51866 ARIN Region origin ASes present in the Internet Routing Table: 7413 ARIN Prefixes per ASN: 11.17 ARIN Region origin ASes announcing only one prefix: 3189 ARIN Region transit ASes present in the Internet Routing Table: 658 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: 1512 Number of ARIN addresses announced to Internet: 606877921 Equivalent to 36 /8s, 44 /16s and 56 /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: 40173 Total RIPE prefixes after maximum aggregation: 18860 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 40219 Unique aggregates announced from the RIPE address blocks: 26082 RIPE Region origin ASes present in the Internet Routing Table: 3668 RIPE Prefixes per ASN: 10.96 RIPE Region origin ASes announcing only one prefix: 1601 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: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1327 Number of RIPE addresses announced to Internet: 194123840 Equivalent to 11 /8s, 146 /16s and 24 /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: 32580 Total LACNIC prefixes after maximum aggregation: 10278 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 32313 Unique aggregates announced from the LACNIC address blocks: 15629 LACNIC Region origin ASes present in the Internet Routing Table: 3142 LACNIC Prefixes per ASN: 10.28 LACNIC Region origin ASes announcing only one prefix: 1148 LACNIC Region transit ASes present in the Internet Routing Table: 615 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: 2434 Number of LACNIC addresses announced to Internet: 74755584 Equivalent to 4 /8s, 116 /16s and 174 /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: 4777 Total AfriNIC prefixes after maximum aggregation: 1706 AfriNIC Deaggregation factor: 2.80 Prefixes being announced from the AfriNIC address blocks: 6125 Unique aggregates announced from the AfriNIC address blocks: 2845 AfriNIC Region origin ASes present in the Internet Routing Table: 208 AfriNIC Prefixes per ASN: 29.45 AfriNIC Region origin ASes announcing only one prefix: 82 AfriNIC Region transit ASes present in the Internet Routing Table: 57 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 100 Number of AfriNIC addresses announced to Internet: 28273920 Equivalent to 1 /8s, 175 /16s and 109 /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 9619 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 56040 445 488 104 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 9519 11235 3371 AMAZON-02, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2922 3731 1425 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1712 4899 323 CENTURYLINK-US-LEGACY-QWEST, US 5972 1485 394 661 DNIC-ASBLK-05800-06055, US 4155 1091 71 896 USDA-1, US 7979 974 64 193 SERVERS-COM, US 855 963 255 83 CANET-ASN-4, CA 16625 951 447 870 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 1406 120 1134 AKAMAI-ASN1, NL 3215 897 4811 301 France Telecom - Orange, FR 25019 812 1032 146 SAUDINETSTC-AS, SA 8376 721 60 22 Jordan Data Communications, JO 8452 607 1841 11 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 5243 1530 953 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 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 565 275 157 LINKdotNET-AS, EG 36914 479 82 3 KENET-AS, KE 29571 411 30 211 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36992 313 688 168 ETISALAT-MISR, EG 36935 261 67 77 Vodafone-, EG 24835 214 166 119 RAYA-AS, EG 15706 203 32 7 Sudatel, SD 37492 169 471 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 9619 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9519 11235 3371 AMAZON-02, US 8151 5243 1530 953 UNINET, MX 39891 4658 280 55 ALJAWWALSTC-AS, SA 749 3161 54929 2413 DNIC-AS-00749, US 367 2922 3731 1425 DNIC-ASBLK-00306-00371, US 11776 1850 254 221 ATLANTICBB-JOHNSTOWN, US 209 1712 4899 323 CENTURYLINK-US-LEGACY-QWEST, US 5972 1485 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 9519 6148 AMAZON-02, US 39891 4658 4603 ALJAWWALSTC-AS, SA 8151 5243 4290 UNINET, MX 11776 1850 1629 ATLANTICBB-JOHNSTOWN, US 367 2922 1497 DNIC-ASBLK-00306-00371, US 56047 1469 1435 CMNET-HUNAN-AP China Mobile communications corp 209 1712 1389 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 41.77.208.0/22 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 /11:30 /12:77 /13:130 /14:366 /15:744 /16:5602 /17:2685 /18:2834 /19:5774 /20:9263 /21:11367 /22:20769 /23:20746 /24:109471 /25:79 /26:52 /27:73 /28:18 /29:21 /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 2841 5243 UNINET, MX 16509 2001 9519 AMAZON-02, US 209 968 1712 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 670 807 BRSPD-PUBLIC, US 8376 567 721 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) ---------------------------------------------- 1:8 2:488 3:256 5:1096 6:150 7:5 8:617 11:171 12:255 13:319 14:102 15:279 16:168 17:6 18:667 20:30 21:4 22:188 23:1848 24:540 25:2 27:15 29:19 31:267 32:2 34:2 35:53 36:1109 37:529 38:843 39:515 40:8 41:665 42:12 43:170 44:37 45:2354 46:600 47:148 49:14 50:302 51:468 52:1366 54:320 55:887 57:18 58:7 59:31 60:19 61:59 62:328 63:477 64:1533 65:823 66:1329 67:724 68:153 69:762 70:157 71:210 72:379 74:760 75:389 76:214 77:249 78:563 79:187 80:200 81:217 82:179 83:93 84:197 85:325 86:151 87:216 88:154 89:319 90:97 91:584 92:402 93:796 94:522 95:1118 96:167 97:36 98:130 99:147 100:41 101:22 102:189 103:894 104:750 105:16 106:2 107:285 108:361 109:229 110:32 111:1744 112:446 113:40 114:30 115:10 116:32 117:951 118:46 119:96 120:1086 121:32 122:86 123:20 124:55 125:11 128:412 129:288 130:508 131:770 132:508 133:263 134:333 135:67 136:369 137:423 138:705 139:449 140:510 141:177 142:740 143:615 144:323 145:87 146:488 147:333 148:577 149:521 150:283 151:545 152:357 153:113 154:469 155:656 156:404 157:230 158:315 159:531 160:544 161:459 162:713 163:271 164:613 165:394 166:127 167:378 168:963 169:150 170:1199 171:63 172:976 173:640 174:113 175:38 176:429 177:708 178:308 179:479 180:43 181:1063 182:10 183:861 184:216 185:2321 186:1014 187:748 188:550 189:1014 190:3002 191:214 192:3750 193:1378 194:905 195:683 196:467 197:647 198:1962 199:2961 200:2896 201:2587 202:900 203:595 204:1768 205:1630 206:1097 207:1089 208:998 209:1377 210:309 211:458 212:768 213:682 214:1060 215:37 216:1757 217:381 218:516 219:29 220:27 221:292 222:23 223:621 End of report