IPv4 R&E Routing Table Report 20:15 GMT Fri 24 Nov, 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: 255709 Prefixes after maximum aggregation (per Origin AS): 113345 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138797 Number of IPv4 prefixes with a valid ROA: 95071 Number of IPv4 prefixes with an invalid ROA: 43 Number of IPv4 prefixes with no ROA: 160595 Total ASes present in the Internet Routing Table: 20761 Prefixes per ASN: 12.32 Origin-only ASes present in the Internet Routing Table: 18077 Origin ASes announcing only one prefix: 8048 Transit ASes present in the Internet Routing Table: 2684 Transit-only ASes present in the Internet Routing Table: 668 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: 432 Number of instances of unregistered ASNs: 432 Number of 32-bit ASNs allocated by the RIRs: 43101 Number of 32-bit ASNs visible in the Routing Table: 7494 Prefixes from 32-bit ASNs in the Routing Table: 26788 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: 1485220933 Equivalent to 88 /8s, 134 /16s and 172 /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: 86444 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30498 Total APNIC prefixes after maximum aggregation: 7196 APNIC Deaggregation factor: 4.24 Prefixes being announced from the APNIC address blocks: 30026 Unique aggregates announced from the APNIC address blocks: 8227 APNIC Region origin ASes present in the Internet Routing Table: 1180 APNIC Prefixes per ASN: 25.45 APNIC Region origin ASes announcing only one prefix: 472 APNIC Region transit ASes present in the Internet Routing Table: 200 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 513 Number of APNIC addresses announced to Internet: 212689284 Equivalent to 12 /8s, 173 /16s and 97 /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: 118720 Total ARIN prefixes after maximum aggregation: 62172 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118710 Unique aggregates announced from the ARIN address blocks: 69491 ARIN Region origin ASes present in the Internet Routing Table: 9629 ARIN Prefixes per ASN: 12.33 ARIN Region origin ASes announcing only one prefix: 3973 ARIN Region transit ASes present in the Internet Routing Table: 851 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: 2040 Number of ARIN addresses announced to Internet: 839169473 Equivalent to 50 /8s, 4 /16s and 181 /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: 55188 Total RIPE prefixes after maximum aggregation: 28016 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 54146 Unique aggregates announced from the RIPE address blocks: 36756 RIPE Region origin ASes present in the Internet Routing Table: 5180 RIPE Prefixes per ASN: 10.45 RIPE Region origin ASes announcing only one prefix: 2226 RIPE Region transit ASes present in the Internet Routing Table: 709 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1965 Number of RIPE addresses announced to Internet: 304417792 Equivalent to 18 /8s, 37 /16s and 12 /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: 42325 Total LACNIC prefixes after maximum aggregation: 13252 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 41702 Unique aggregates announced from the LACNIC address blocks: 20089 LACNIC Region origin ASes present in the Internet Routing Table: 3702 LACNIC Prefixes per ASN: 11.26 LACNIC Region origin ASes announcing only one prefix: 1288 LACNIC Region transit ASes present in the Internet Routing Table: 737 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2868 Number of LACNIC addresses announced to Internet: 88079872 Equivalent to 5 /8s, 63 /16s and 254 /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: 8546 Total AfriNIC prefixes after maximum aggregation: 2407 AfriNIC Deaggregation factor: 3.55 Prefixes being announced from the AfriNIC address blocks: 10992 Unique aggregates announced from the AfriNIC address blocks: 4106 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 45.61 AfriNIC Region origin ASes announcing only one prefix: 89 AfriNIC Region transit ASes present in the Internet Routing Table: 65 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 108 Number of AfriNIC addresses announced to Internet: 40657408 Equivalent to 2 /8s, 108 /16s and 98 /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 9544 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1493 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1415 826 105 CMNET-JIANGSU-AP China Mobile communica 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 24547 754 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 675 4270 56 CTTNET China TieTong Telecommunications 2907 602 2162 465 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 9347 11143 3297 AMAZON-02, US 22773 3503 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3010 3861 1416 DNIC-ASBLK-00306-00371, US 7018 2584 23619 1599 ATT-INTERNET4, US 5650 1957 2744 1317 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1837 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1744 3065 423 CELLCO-PART, US 209 1718 4900 333 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 1534 136 1230 AKAMAI-ASN1, NL 3215 917 4899 290 France Telecom - Orange, FR 8452 904 1841 14 TE-AS TE-AS, EG 61317 893 60 765 ASDETUK www.heficed.com, US 25019 837 1035 152 SAUDINETSTC-AS, SA 8386 706 108 244 KOCNET, TR 8376 671 54 16 Jordan Data Communications, JO 15897 580 188 20 VODAFONETURKEY, TR 34984 497 76 404 TELLCOM-AS, 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 5830 1671 1002 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1988 281 1268 Telmex Colombia S.A., CO 3816 1303 781 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1040 2502 52 TIM SA, BR 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 906 147 399 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 595 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 1181 388 22 LINKdotNET-AS, EG 24835 1031 457 25 RAYA-AS, EG 36935 672 520 41 Vodafone-, EG 36992 656 950 345 ETISALAT-MISR, EG 36903 415 192 302 MT-MPLS, MA 15399 411 35 174 WANANCHI-, KE 29571 388 37 161 ORANGE-COTE-IVOIRE, CI 2018 372 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 36914 247 82 3 KENET-AS, KE 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 9544 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9347 11143 3297 AMAZON-02, US 8151 5830 1671 1002 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3503 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 367 3010 3861 1416 DNIC-ASBLK-00306-00371, US 7018 2584 23619 1599 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1988 281 1268 Telmex Colombia S.A., CO 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 9347 6050 AMAZON-02, US 8151 5830 4828 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3503 3207 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1837 1614 ATLANTICBB-JOHNSTOWN, US 367 3010 1594 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1493 1459 CMNET-HUNAN-AP China Mobile communications corp 209 1718 1385 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 43.243.102.0/24 Origin: 64050 BCPL-SG BGPNET Global ASN, SG 43.243.102.0/24 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 /10:28 /11:43 /12:124 /13:190 /14:503 /15:1000 /16:7434 /17:3490 /18:4033 /19:7843 /20:12116 /21:15340 /22:28514 /23:28870 /24:145881 /25:84 /26:62 /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 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3088 5830 UNINET, MX 22773 2562 3503 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1920 9347 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1382 1957 FRONTIER-FRTR, US 10620 1195 1988 Telmex Colombia S.A., CO 7018 1151 2584 ATT-INTERNET4, US 209 969 1718 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 2:527 3:244 4:5 5:1338 6:151 7:5 8:735 11:171 12:1099 13:316 14:104 15:282 16:165 17:6 18:634 20:240 21:4 22:188 23:2336 24:752 25:2 27:25 29:19 31:437 32:39 34:2 35:55 36:1058 37:801 38:1312 39:502 40:60 41:899 42:21 43:204 44:42 45:3424 46:859 47:218 49:13 50:341 51:481 52:1386 54:354 55:877 56:5 57:24 58:34 59:33 60:18 61:71 62:601 63:882 64:2063 65:1141 66:2264 67:957 68:609 69:1206 70:501 71:265 72:703 74:1047 75:433 76:225 77:331 78:557 79:255 80:388 81:360 82:313 83:152 84:350 85:425 86:212 87:274 88:228 89:667 90:92 91:935 92:488 93:942 94:664 95:1244 96:277 97:72 98:539 99:163 100:45 101:26 102:289 103:1183 104:1399 105:68 106:42 107:1377 108:534 109:340 110:37 111:1731 112:469 113:46 114:32 115:18 116:44 117:900 118:62 119:125 120:1071 121:34 122:91 123:78 124:55 125:17 128:460 129:375 130:609 131:1096 132:518 133:263 134:448 135:123 136:409 137:547 138:882 139:534 140:575 141:272 142:790 143:674 144:374 145:89 146:596 147:420 148:667 149:713 150:294 151:548 152:519 153:146 154:658 155:770 156:616 157:318 158:441 159:678 160:667 161:635 162:949 163:403 164:689 165:569 166:582 167:628 168:1399 169:178 170:1567 171:98 172:1308 173:826 174:283 175:41 176:579 177:875 178:398 179:700 180:52 181:1696 182:15 183:877 184:502 185:3501 186:1871 187:888 188:813 189:1292 190:4268 191:327 192:4932 193:1963 194:1454 195:1146 196:920 197:731 198:2596 199:3117 200:3251 201:3248 202:1073 203:642 204:2279 205:1859 206:1645 207:1437 208:1423 209:1939 210:333 211:452 212:1048 213:859 214:1067 215:65 216:2540 217:576 218:521 219:23 220:29 221:289 222:34 223:621 End of report