IPv4 R&E Routing Table Report 20:15 GMT Tue 19 Dec, 2023 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: 259106 Prefixes after maximum aggregation (per Origin AS): 114262 Deaggregation factor: 2.27 Unique aggregates announced (without unneeded subnets): 139439 Number of IPv4 prefixes with a valid ROA: 98924 Number of IPv4 prefixes with an invalid ROA: 45 Number of IPv4 prefixes with no ROA: 160137 Total ASes present in the Internet Routing Table: 20730 Prefixes per ASN: 12.50 Origin-only ASes present in the Internet Routing Table: 18033 Origin ASes announcing only one prefix: 8044 Transit ASes present in the Internet Routing Table: 2697 Transit-only ASes present in the Internet Routing Table: 656 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: 42 Max AS path prepend of ASN (264996) 33 Prefixes from unregistered ASNs in the Routing Table: 378 Number of instances of unregistered ASNs: 378 Number of 32-bit ASNs allocated by the RIRs: 43239 Number of 32-bit ASNs visible in the Routing Table: 7471 Prefixes from 32-bit ASNs in the Routing Table: 26715 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: 130 Number of addresses announced to Internet: 1488301897 Equivalent to 88 /8s, 181 /16s and 175 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 40.2 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: 88227 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30727 Total APNIC prefixes after maximum aggregation: 7313 APNIC Deaggregation factor: 4.20 Prefixes being announced from the APNIC address blocks: 30346 Unique aggregates announced from the APNIC address blocks: 8439 APNIC Region origin ASes present in the Internet Routing Table: 1209 APNIC Prefixes per ASN: 25.10 APNIC Region origin ASes announcing only one prefix: 500 APNIC Region transit ASes present in the Internet Routing Table: 197 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 531 Number of APNIC addresses announced to Internet: 212573064 Equivalent to 12 /8s, 171 /16s and 155 /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: 119091 Total ARIN prefixes after maximum aggregation: 62690 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 119054 Unique aggregates announced from the ARIN address blocks: 69237 ARIN Region origin ASes present in the Internet Routing Table: 9622 ARIN Prefixes per ASN: 12.37 ARIN Region origin ASes announcing only one prefix: 3955 ARIN Region transit ASes present in the Internet Routing Table: 856 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: 2049 Number of ARIN addresses announced to Internet: 841210049 Equivalent to 50 /8s, 35 /16s and 216 /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: 56445 Total RIPE prefixes after maximum aggregation: 28361 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 55408 Unique aggregates announced from the RIPE address blocks: 37284 RIPE Region origin ASes present in the Internet Routing Table: 5232 RIPE Prefixes per ASN: 10.59 RIPE Region origin ASes announcing only one prefix: 2207 RIPE Region transit ASes present in the Internet Routing Table: 728 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1994 Number of RIPE addresses announced to Internet: 302990592 Equivalent to 18 /8s, 15 /16s and 69 /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: 43374 Total LACNIC prefixes after maximum aggregation: 13288 LACNIC Deaggregation factor: 3.26 Prefixes being announced from the LACNIC address blocks: 42672 Unique aggregates announced from the LACNIC address blocks: 20380 LACNIC Region origin ASes present in the Internet Routing Table: 3603 LACNIC Prefixes per ASN: 11.84 LACNIC Region origin ASes announcing only one prefix: 1287 LACNIC Region transit ASes present in the Internet Routing Table: 736 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 42 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2778 Number of LACNIC addresses announced to Internet: 90582528 Equivalent to 5 /8s, 102 /16s and 46 /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: 9091 Total AfriNIC prefixes after maximum aggregation: 2320 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 11496 Unique aggregates announced from the AfriNIC address blocks: 3973 AfriNIC Region origin ASes present in the Internet Routing Table: 253 AfriNIC Prefixes per ASN: 45.44 AfriNIC Region origin ASes announcing only one prefix: 95 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 119 Number of AfriNIC addresses announced to Internet: 40805888 Equivalent to 2 /8s, 110 /16s and 166 /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 8733 46 CHINAMOBILE-CN China Mobile Communicati 56047 1508 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1433 842 106 CMNET-JIANGSU-AP China Mobile communica 56041 1431 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 751 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 9394 610 4158 52 CTTNET China TieTong Telecommunications 2907 603 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 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 9431 11195 3381 AMAZON-02, US 22773 3471 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2964 3854 1418 DNIC-ASBLK-00306-00371, US 7018 2522 23624 1569 ATT-INTERNET4, US 5650 1990 2758 1410 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1845 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1745 3059 446 CELLCO-PART, US 209 1710 4899 328 CENTURYLINK-US-LEGACY-QWEST, 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 4570 271 54 ALJAWWALSTC-AS, SA 20940 1547 138 1235 AKAMAI-ASN1, NL 25019 903 1035 152 SAUDINETSTC-AS, SA 3215 893 4823 300 France Telecom - Orange, FR 8452 864 1841 14 TE-AS TE-AS, EG 61317 802 55 715 ASDETUK www.heficed.com, US 34984 767 91 491 TELLCOM-AS, TR 8376 734 59 21 Jordan Data Communications, JO 8386 707 109 242 KOCNET, TR 15897 572 188 20 VODAFONETURKEY, 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 6965 2009 1036 UNINET, MX 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1084 369 22 Telefonica del Peru S.A.A., PE 26615 1049 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 922 151 402 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 596 2965 47 TELEFONICA BRASIL S.A, 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 24863 1167 388 22 LINKdotNET-AS, EG 24835 1017 457 25 RAYA-AS, EG 29571 801 60 137 ORANGE-COTE-IVOIRE, CI 36992 673 993 338 ETISALAT-MISR, EG 36935 670 520 41 Vodafone-, EG 36914 525 82 3 KENET-AS, KE 15399 429 38 144 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 2018 377 319 71 TENET-1, ZA 37693 313 594 41 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 9808 9589 8733 46 CHINAMOBILE-CN China Mobile Communicati 16509 9431 11195 3381 AMAZON-02, US 8151 6965 2009 1036 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3471 3038 293 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2964 3854 1418 DNIC-ASBLK-00306-00371, US 7018 2522 23624 1569 ATT-INTERNET4, US 10620 2214 313 1315 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 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 9431 6050 AMAZON-02, US 8151 6965 5929 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3471 3178 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1845 1624 ATLANTICBB-JOHNSTOWN, US 367 2964 1546 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1508 1474 CMNET-HUNAN-AP China Mobile communications corp 209 1710 1382 CENTURYLINK-US-LEGACY-QWEST, US 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 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.168.24.0/24 Origin: 393577 TRITAN, US 23.168.24.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 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 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 /8:13 /9:8 /10:29 /11:45 /12:127 /13:188 /14:502 /15:1000 /16:7422 /17:3476 /18:4037 /19:8033 /20:12296 /21:15890 /22:28689 /23:29159 /24:147913 /25:85 /26:61 /27:72 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3580 6965 UNINET, MX 39891 3324 4570 ALJAWWALSTC-AS, SA 22773 2530 3471 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1939 9431 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1405 1990 FRONTIER-FRTR, US 10620 1337 2214 Telmex Colombia S.A., CO 7018 1099 2522 ATT-INTERNET4, US 209 964 1710 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:15 2:516 3:248 4:5 5:1358 6:150 7:5 8:731 11:171 12:1095 13:313 14:103 15:284 16:167 17:6 18:655 20:244 21:4 22:188 23:2430 24:782 25:2 27:25 29:19 31:444 32:37 34:2 35:56 36:1102 37:911 38:1325 39:504 40:62 41:1049 42:20 43:216 44:42 45:3411 46:904 47:154 49:22 50:344 51:478 52:1388 54:347 55:884 56:5 57:23 58:7 59:33 60:18 61:70 62:594 63:889 64:2085 65:1153 66:2239 67:951 68:581 69:1193 70:483 71:264 72:736 74:1052 75:438 76:243 77:359 78:630 79:241 80:385 81:374 82:290 83:160 84:327 85:524 86:227 87:286 88:223 89:604 90:102 91:986 92:503 93:933 94:674 95:1227 96:280 97:69 98:550 99:163 100:45 101:24 102:310 103:1215 104:1423 105:65 106:42 107:1405 108:529 109:340 110:34 111:1740 112:473 113:59 114:33 115:18 116:45 117:953 118:64 119:151 120:1080 121:42 122:93 123:81 124:57 125:16 128:448 129:378 130:611 131:1062 132:551 133:267 134:451 135:123 136:421 137:541 138:856 139:539 140:576 141:286 142:802 143:653 144:380 145:90 146:604 147:423 148:694 149:695 150:292 151:610 152:539 153:146 154:672 155:760 156:602 157:330 158:435 159:665 160:943 161:638 162:969 163:402 164:655 165:573 166:588 167:623 168:1366 169:185 170:1499 171:98 172:1297 173:859 174:278 175:42 176:827 177:840 178:455 179:665 180:58 181:1693 182:14 183:874 184:502 185:3575 186:1902 187:1005 188:818 189:1355 190:4347 191:360 192:4916 193:1990 194:1455 195:1136 196:960 197:756 198:2585 199:3383 200:3192 201:3279 202:1107 203:643 204:2229 205:1842 206:1631 207:1413 208:1437 209:1945 210:336 211:472 212:1048 213:884 214:1082 215:43 216:2528 217:566 218:524 219:24 220:29 221:292 222:33 223:617 End of report