IPv4 R&E Routing Table Report 20:15 GMT Fri 15 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: 256663 Prefixes after maximum aggregation (per Origin AS): 113748 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138325 Number of IPv4 prefixes with a valid ROA: 97255 Number of IPv4 prefixes with an invalid ROA: 224 Number of IPv4 prefixes with no ROA: 159184 Total ASes present in the Internet Routing Table: 20583 Prefixes per ASN: 12.47 Origin-only ASes present in the Internet Routing Table: 17934 Origin ASes announcing only one prefix: 8002 Transit ASes present in the Internet Routing Table: 2649 Transit-only ASes present in the Internet Routing Table: 648 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 382 Number of instances of unregistered ASNs: 382 Number of 32-bit ASNs allocated by the RIRs: 43226 Number of 32-bit ASNs visible in the Routing Table: 7393 Prefixes from 32-bit ASNs in the Routing Table: 26478 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: 133 Number of addresses announced to Internet: 1485674313 Equivalent to 88 /8s, 141 /16s and 151 /24s Percentage of available address space announced: 40.1 Percentage of allocated address space announced: 40.1 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: 86870 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30900 Total APNIC prefixes after maximum aggregation: 7312 APNIC Deaggregation factor: 4.23 Prefixes being announced from the APNIC address blocks: 30539 Unique aggregates announced from the APNIC address blocks: 8497 APNIC Region origin ASes present in the Internet Routing Table: 1209 APNIC Prefixes per ASN: 25.26 APNIC Region origin ASes announcing only one prefix: 495 APNIC Region transit ASes present in the Internet Routing Table: 199 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: 533 Number of APNIC addresses announced to Internet: 212779400 Equivalent to 12 /8s, 174 /16s and 193 /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: 119067 Total ARIN prefixes after maximum aggregation: 62748 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 119023 Unique aggregates announced from the ARIN address blocks: 69222 ARIN Region origin ASes present in the Internet Routing Table: 9624 ARIN Prefixes per ASN: 12.37 ARIN Region origin ASes announcing only one prefix: 3949 ARIN Region transit ASes present in the Internet Routing Table: 855 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2046 Number of ARIN addresses announced to Internet: 841604801 Equivalent to 50 /8s, 41 /16s and 222 /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: 55576 Total RIPE prefixes after maximum aggregation: 27928 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54494 Unique aggregates announced from the RIPE address blocks: 36593 RIPE Region origin ASes present in the Internet Routing Table: 5145 RIPE Prefixes per ASN: 10.59 RIPE Region origin ASes announcing only one prefix: 2189 RIPE Region transit ASes present in the Internet Routing Table: 708 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1973 Number of RIPE addresses announced to Internet: 302455808 Equivalent to 18 /8s, 7 /16s and 28 /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: 41989 Total LACNIC prefixes after maximum aggregation: 13132 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 41298 Unique aggregates announced from the LACNIC address blocks: 19935 LACNIC Region origin ASes present in the Internet Routing Table: 3553 LACNIC Prefixes per ASN: 11.62 LACNIC Region origin ASes announcing only one prefix: 1274 LACNIC Region transit ASes present in the Internet Routing Table: 707 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2724 Number of LACNIC addresses announced to Internet: 87921664 Equivalent to 5 /8s, 61 /16s and 148 /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: 8749 Total AfriNIC prefixes after maximum aggregation: 2337 AfriNIC Deaggregation factor: 3.74 Prefixes being announced from the AfriNIC address blocks: 11176 Unique aggregates announced from the AfriNIC address blocks: 3952 AfriNIC Region origin ASes present in the Internet Routing Table: 248 AfriNIC Prefixes per ASN: 45.06 AfriNIC Region origin ASes announcing only one prefix: 95 AfriNIC Region transit ASes present in the Internet Routing Table: 65 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 117 Number of AfriNIC addresses announced to Internet: 40772096 Equivalent to 2 /8s, 110 /16s and 34 /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 9585 8731 42 CHINAMOBILE-CN China Mobile Communicati 56047 1507 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1426 834 106 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 748 168 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 9380 11180 3404 AMAZON-02, US 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2942 3836 1400 DNIC-ASBLK-00306-00371, US 7018 2574 23627 1592 ATT-INTERNET4, US 5650 1973 2755 1396 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1844 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1746 3061 447 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 1569 139 1249 AKAMAI-ASN1, NL 8452 903 1841 14 TE-AS TE-AS, EG 3215 892 4823 300 France Telecom - Orange, FR 25019 866 1035 152 SAUDINETSTC-AS, SA 61317 843 58 754 ASDETUK www.heficed.com, US 34984 824 97 526 TELLCOM-AS, TR 8376 727 59 22 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 5896 1676 1009 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 1085 369 22 Telefonica del Peru S.A.A., PE 26615 1047 2502 52 TIM SA, BR 18881 991 1120 28 TELEFONICA BRASIL S.A, BR 11664 917 150 400 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 1114 388 22 LINKdotNET-AS, EG 24835 1016 457 25 RAYA-AS, EG 36935 674 520 41 Vodafone-, EG 36992 672 992 338 ETISALAT-MISR, EG 36914 531 82 3 KENET-AS, KE 15399 431 38 144 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 382 36 159 ORANGE-COTE-IVOIRE, CI 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 9585 8731 42 CHINAMOBILE-CN China Mobile Communicati 16509 9380 11180 3404 AMAZON-02, US 8151 5896 1676 1009 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2942 3836 1400 DNIC-ASBLK-00306-00371, US 7018 2574 23627 1592 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 9380 5976 AMAZON-02, US 8151 5896 4887 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3473 3181 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2005 1941 Instituto Costarricense de Electricidad y Telec 11776 1844 1623 ATLANTICBB-JOHNSTOWN, US 18566 1855 1543 MEGAPATH5-, US 367 2942 1542 DNIC-ASBLK-00306-00371, US 56047 1507 1473 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 23.176.160.0/24 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 45.42.252.0/22 Origin: 16509 AMAZON-02, US 45.42.252.0/22 Transit: 24482 SGGS-AS-AP SG.GS, SG 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 /14:500 /15:1000 /16:7428 /17:3465 /18:4032 /19:7861 /20:12307 /21:15434 /22:28526 /23:28870 /24:146552 /25:85 /26:61 /27:71 /28:18 /29:22 /30:15 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3120 5896 UNINET, MX 22773 2533 3473 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1925 9380 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1404 1973 FRONTIER-FRTR, US 10620 1337 2214 Telmex Colombia S.A., CO 7018 1126 2574 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) ---------------------------------------------- 1:14 2:513 3:250 4:5 5:1304 6:151 7:5 8:731 11:171 12:1094 13:313 14:103 15:283 16:167 17:6 18:650 20:243 21:4 22:188 23:2449 24:781 25:2 27:25 29:19 31:429 32:37 34:2 35:56 36:1098 37:886 38:1345 39:503 40:61 41:1017 42:20 43:214 44:42 45:3362 46:860 47:154 49:22 50:339 51:477 52:1387 54:341 55:875 56:5 57:23 58:7 59:32 60:18 61:70 62:589 63:889 64:2073 65:1153 66:2236 67:943 68:582 69:1189 70:484 71:265 72:701 74:1057 75:437 76:242 77:342 78:602 79:254 80:371 81:332 82:294 83:162 84:362 85:421 86:214 87:298 88:225 89:605 90:99 91:946 92:516 93:935 94:681 95:1230 96:280 97:70 98:548 99:164 100:45 101:27 102:283 103:1258 104:1425 105:65 106:42 107:1403 108:528 109:335 110:34 111:1733 112:473 113:59 114:33 115:18 116:50 117:951 118:64 119:151 120:1080 121:42 122:96 123:81 124:57 125:16 128:447 129:381 130:608 131:1081 132:547 133:267 134:436 135:122 136:421 137:540 138:865 139:541 140:620 141:287 142:798 143:654 144:379 145:90 146:592 147:432 148:690 149:695 150:293 151:583 152:531 153:146 154:652 155:768 156:625 157:330 158:442 159:666 160:663 161:635 162:959 163:410 164:655 165:573 166:587 167:620 168:1349 169:185 170:1489 171:99 172:1299 173:862 174:278 175:42 176:840 177:845 178:396 179:668 180:58 181:1641 182:14 183:876 184:503 185:3418 186:1874 187:869 188:728 189:1297 190:4308 191:350 192:4935 193:1972 194:1434 195:1137 196:919 197:870 198:2602 199:3341 200:3196 201:3190 202:1110 203:630 204:2237 205:1849 206:1646 207:1412 208:1440 209:1944 210:346 211:475 212:1047 213:869 214:1073 215:43 216:2531 217:576 218:524 219:24 220:29 221:289 222:33 223:617 End of report