IPv4 R&E Routing Table Report 20:15 GMT Sun 17 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: 256671 Prefixes after maximum aggregation (per Origin AS): 113834 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 138338 Number of IPv4 prefixes with a valid ROA: 97190 Number of IPv4 prefixes with an invalid ROA: 224 Number of IPv4 prefixes with no ROA: 159257 Total ASes present in the Internet Routing Table: 20604 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 17958 Origin ASes announcing only one prefix: 8017 Transit ASes present in the Internet Routing Table: 2646 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: 5.7 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: 43235 Number of 32-bit ASNs visible in the Routing Table: 7389 Prefixes from 32-bit ASNs in the Routing Table: 26202 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: 1485915721 Equivalent to 88 /8s, 145 /16s and 70 /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: 87041 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30828 Total APNIC prefixes after maximum aggregation: 7298 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 30473 Unique aggregates announced from the APNIC address blocks: 8430 APNIC Region origin ASes present in the Internet Routing Table: 1202 APNIC Prefixes per ASN: 25.35 APNIC Region origin ASes announcing only one prefix: 493 APNIC Region transit ASes present in the Internet Routing Table: 196 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: 526 Number of APNIC addresses announced to Internet: 212704648 Equivalent to 12 /8s, 173 /16s and 157 /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: 119109 Total ARIN prefixes after maximum aggregation: 62776 ARIN Deaggregation factor: 1.90 Prefixes being announced from the ARIN address blocks: 119039 Unique aggregates announced from the ARIN address blocks: 69257 ARIN Region origin ASes present in the Internet Routing Table: 9620 ARIN Prefixes per ASN: 12.37 ARIN Region origin ASes announcing only one prefix: 3951 ARIN Region transit ASes present in the Internet Routing Table: 856 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: 841301185 Equivalent to 50 /8s, 37 /16s and 60 /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: 55851 Total RIPE prefixes after maximum aggregation: 28052 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54776 Unique aggregates announced from the RIPE address blocks: 36734 RIPE Region origin ASes present in the Internet Routing Table: 5188 RIPE Prefixes per ASN: 10.56 RIPE Region origin ASes announcing only one prefix: 2212 RIPE Region transit ASes present in the Internet Routing Table: 714 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: 1985 Number of RIPE addresses announced to Internet: 302764544 Equivalent to 18 /8s, 11 /16s and 210 /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: 41910 Total LACNIC prefixes after maximum aggregation: 13099 LACNIC Deaggregation factor: 3.20 Prefixes being announced from the LACNIC address blocks: 41234 Unique aggregates announced from the LACNIC address blocks: 19870 LACNIC Region origin ASes present in the Internet Routing Table: 3548 LACNIC Prefixes per ASN: 11.62 LACNIC Region origin ASes announcing only one prefix: 1270 LACNIC Region transit ASes present in the Internet Routing Table: 709 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2720 Number of LACNIC addresses announced to Internet: 88206592 Equivalent to 5 /8s, 65 /16s and 237 /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: 8591 Total AfriNIC prefixes after maximum aggregation: 2318 AfriNIC Deaggregation factor: 3.71 Prefixes being announced from the AfriNIC address blocks: 11016 Unique aggregates announced from the AfriNIC address blocks: 3921 AfriNIC Region origin ASes present in the Internet Routing Table: 242 AfriNIC Prefixes per ASN: 45.52 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 63 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 112 Number of AfriNIC addresses announced to Internet: 40798208 Equivalent to 2 /8s, 110 /16s and 136 /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 9584 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 9359 11177 3423 AMAZON-02, US 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2938 3838 1401 DNIC-ASBLK-00306-00371, US 7018 2575 23627 1593 ATT-INTERNET4, US 5650 1985 2758 1405 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1844 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1743 3058 445 CELLCO-PART, US 209 1711 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 818 57 733 ASDETUK www.heficed.com, US 34984 802 93 511 TELLCOM-AS, TR 8376 733 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 5899 1676 1008 UNINET, MX 10620 2215 313 1315 Telmex Colombia S.A., CO 11830 2005 369 64 Instituto Costarricense de Electricidad 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1083 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 915 151 400 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 1175 388 22 LINKdotNET-AS, EG 24835 1019 457 25 RAYA-AS, EG 36935 674 520 41 Vodafone-, EG 36992 672 992 338 ETISALAT-MISR, EG 36914 524 82 3 KENET-AS, KE 15399 429 38 144 WANANCHI-, KE 36903 415 192 302 MT-MPLS, MA 29571 382 36 159 ORANGE-COTE-IVOIRE, CI 2018 343 319 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 9584 8731 42 CHINAMOBILE-CN China Mobile Communicati 16509 9359 11177 3423 AMAZON-02, US 8151 5899 1676 1008 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3473 3038 292 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2938 3838 1401 DNIC-ASBLK-00306-00371, US 7018 2575 23627 1593 ATT-INTERNET4, US 10620 2215 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 9359 5936 AMAZON-02, US 8151 5899 4891 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 2938 1537 DNIC-ASBLK-00306-00371, US 56047 1507 1473 CMNET-HUNAN-AP China Mobile communications corp 209 1711 1383 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 /17:3472 /18:4049 /19:7889 /20:12311 /21:15451 /22:28602 /23:28859 /24:146422 /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 3121 5899 UNINET, MX 22773 2533 3473 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1914 9359 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1703 2005 Instituto Costarricense de Electricidad y Telec 5650 1404 1985 FRONTIER-FRTR, US 10620 1338 2215 Telmex Colombia S.A., CO 7018 1125 2575 ATT-INTERNET4, US 209 965 1711 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 2:517 3:250 4:5 5:1317 6:151 7:5 8:732 11:171 12:1095 13:313 14:103 15:284 16:167 17:6 18:644 20:244 21:4 22:188 23:2442 24:781 25:2 27:25 29:19 31:427 32:37 34:2 35:56 36:1098 37:882 38:1329 39:503 40:62 41:1018 42:20 43:215 44:42 45:3347 46:882 47:154 49:22 50:340 51:477 52:1388 54:342 55:874 56:5 57:23 58:7 59:33 60:18 61:70 62:595 63:889 64:2083 65:1152 66:2238 67:961 68:581 69:1193 70:484 71:264 72:744 74:1058 75:438 76:242 77:352 78:607 79:256 80:371 81:352 82:291 83:167 84:361 85:423 86:216 87:300 88:224 89:603 90:99 91:956 92:509 93:934 94:687 95:1229 96:279 97:70 98:550 99:163 100:45 101:27 102:254 103:1196 104:1425 105:64 106:42 107:1405 108:524 109:334 110:34 111:1733 112:473 113:59 114:33 115:18 116:46 117:951 118:64 119:151 120:1080 121:42 122:95 123:81 124:57 125:16 128:447 129:377 130:611 131:1065 132:550 133:267 134:457 135:120 136:424 137:463 138:863 139:541 140:619 141:291 142:801 143:645 144:378 145:90 146:591 147:435 148:689 149:698 150:293 151:581 152:535 153:146 154:631 155:765 156:607 157:330 158:442 159:662 160:663 161:635 162:965 163:405 164:656 165:572 166:594 167:618 168:1333 169:187 170:1478 171:98 172:1304 173:863 174:278 175:42 176:840 177:846 178:393 179:662 180:58 181:1640 182:14 183:876 184:503 185:3443 186:1884 187:866 188:732 189:1299 190:4256 191:339 192:4947 193:1970 194:1451 195:1135 196:868 197:863 198:2599 199:3355 200:3193 201:3202 202:1110 203:630 204:2230 205:1852 206:1643 207:1410 208:1438 209:1944 210:347 211:475 212:1061 213:875 214:1073 215:43 216:2534 217:580 218:524 219:24 220:29 221:289 222:33 223:617 End of report