IPv4 R&E Routing Table Report 20:15 GMT Sat 06 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: 256988 Prefixes after maximum aggregation (per Origin AS): 113907 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138151 Number of IPv4 prefixes with a valid ROA: 95878 Number of IPv4 prefixes with an invalid ROA: 34 Number of IPv4 prefixes with no ROA: 161076 Total ASes present in the Internet Routing Table: 20635 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 17977 Origin ASes announcing only one prefix: 8046 Transit ASes present in the Internet Routing Table: 2658 Transit-only ASes present in the Internet Routing Table: 652 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: 378 Number of instances of unregistered ASNs: 378 Number of 32-bit ASNs allocated by the RIRs: 43318 Number of 32-bit ASNs visible in the Routing Table: 7443 Prefixes from 32-bit ASNs in the Routing Table: 26261 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: 124 Number of addresses announced to Internet: 1487909225 Equivalent to 88 /8s, 175 /16s and 177 /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: 87013 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30228 Total APNIC prefixes after maximum aggregation: 7195 APNIC Deaggregation factor: 4.20 Prefixes being announced from the APNIC address blocks: 29929 Unique aggregates announced from the APNIC address blocks: 8376 APNIC Region origin ASes present in the Internet Routing Table: 1190 APNIC Prefixes per ASN: 25.15 APNIC Region origin ASes announcing only one prefix: 495 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: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 520 Number of APNIC addresses announced to Internet: 214572424 Equivalent to 12 /8s, 202 /16s and 29 /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: 119782 Total ARIN prefixes after maximum aggregation: 62862 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 119551 Unique aggregates announced from the ARIN address blocks: 69295 ARIN Region origin ASes present in the Internet Routing Table: 9644 ARIN Prefixes per ASN: 12.40 ARIN Region origin ASes announcing only one prefix: 3957 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: 2052 Number of ARIN addresses announced to Internet: 838254049 Equivalent to 49 /8s, 246 /16s and 189 /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: 55441 Total RIPE prefixes after maximum aggregation: 28077 RIPE Deaggregation factor: 1.97 Prefixes being announced from the RIPE address blocks: 54552 Unique aggregates announced from the RIPE address blocks: 36778 RIPE Region origin ASes present in the Internet Routing Table: 5117 RIPE Prefixes per ASN: 10.66 RIPE Region origin ASes announcing only one prefix: 2183 RIPE Region transit ASes present in the Internet Routing Table: 712 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: 1958 Number of RIPE addresses announced to Internet: 303446272 Equivalent to 18 /8s, 22 /16s and 57 /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: 42695 Total LACNIC prefixes after maximum aggregation: 13288 LACNIC Deaggregation factor: 3.21 Prefixes being announced from the LACNIC address blocks: 42023 Unique aggregates announced from the LACNIC address blocks: 19977 LACNIC Region origin ASes present in the Internet Routing Table: 3619 LACNIC Prefixes per ASN: 11.61 LACNIC Region origin ASes announcing only one prefix: 1308 LACNIC Region transit ASes present in the Internet Routing Table: 726 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: 2793 Number of LACNIC addresses announced to Internet: 90632192 Equivalent to 5 /8s, 102 /16s and 240 /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: 8464 Total AfriNIC prefixes after maximum aggregation: 2192 AfriNIC Deaggregation factor: 3.86 Prefixes being announced from the AfriNIC address blocks: 10809 Unique aggregates announced from the AfriNIC address blocks: 3602 AfriNIC Region origin ASes present in the Internet Routing Table: 258 AfriNIC Prefixes per ASN: 41.90 AfriNIC Region origin ASes announcing only one prefix: 103 AfriNIC Region transit ASes present in the Internet Routing Table: 63 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 120 Number of AfriNIC addresses announced to Internet: 40931328 Equivalent to 2 /8s, 112 /16s and 144 /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 9607 8738 49 CHINAMOBILE-CN China Mobile Communicati 56047 1492 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1434 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1429 842 106 CMNET-JIANGSU-AP China Mobile communica 24547 769 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 2907 602 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 450 488 104 CMNET-GUANGDONG-AP China Mobile communi 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 9438 11196 3347 AMAZON-02, US 22773 3507 3042 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2961 3836 1415 DNIC-ASBLK-00306-00371, US 7018 2504 23622 1574 ATT-INTERNET4, US 5650 1923 2759 1380 FRONTIER-FRTR, US 18566 1855 373 312 MEGAPATH5-, US 11776 1847 254 221 ATLANTICBB-JOHNSTOWN, US 6167 1747 3097 460 CELLCO-PART, US 209 1708 4899 326 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 4641 279 54 ALJAWWALSTC-AS, SA 20940 1529 135 1219 AKAMAI-ASN1, NL 3215 900 4811 304 France Telecom - Orange, FR 8452 835 1841 14 TE-AS TE-AS, EG 25019 833 1035 152 SAUDINETSTC-AS, SA 61317 794 55 706 ASDETUK www.heficed.com, US 34984 751 87 476 TELLCOM-AS, TR 8376 725 60 22 Jordan Data Communications, JO 8386 711 109 239 KOCNET, TR 15897 584 188 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 5959 1680 1003 UNINET, MX 10620 2096 294 1296 Telmex Colombia S.A., CO 11830 2007 369 64 Instituto Costarricense de Electricidad 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1049 2502 52 TIM SA, BR 18881 983 1120 28 TELEFONICA BRASIL S.A, BR 11664 928 151 395 Techtel LMDS Comunicaciones Interactiva 28006 617 75 280 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 595 2957 46 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 1130 388 22 LINKdotNET-AS, EG 24835 1009 457 25 RAYA-AS, EG 36935 675 520 41 Vodafone-, EG 36992 640 940 339 ETISALAT-MISR, EG 29571 554 51 124 ORANGE-COTE-IVOIRE, CI 36914 510 82 3 KENET-AS, KE 36903 415 192 302 MT-MPLS, MA 2018 381 319 71 TENET-1, ZA 37693 316 594 42 TUNISIANA, TN 15706 209 32 10 Sudatel, SD 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 9607 8738 49 CHINAMOBILE-CN China Mobile Communicati 16509 9438 11196 3347 AMAZON-02, US 8151 5959 1680 1003 UNINET, MX 39891 4641 279 54 ALJAWWALSTC-AS, SA 22773 3507 3042 295 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54929 2413 DNIC-AS-00749, US 367 2961 3836 1415 DNIC-ASBLK-00306-00371, US 7018 2504 23622 1574 ATT-INTERNET4, US 10620 2096 294 1296 Telmex Colombia S.A., CO 11830 2007 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 9438 6091 AMAZON-02, US 8151 5959 4956 UNINET, MX 39891 4641 4587 ALJAWWALSTC-AS, SA 22773 3507 3212 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2007 1943 Instituto Costarricense de Electricidad y Telec 11776 1847 1626 ATLANTICBB-JOHNSTOWN, US 367 2961 1546 DNIC-ASBLK-00306-00371, US 18566 1855 1543 MEGAPATH5-, US 56047 1492 1458 CMNET-HUNAN-AP China Mobile communications corp 209 1708 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 /10:28 /11:45 /12:130 /13:188 /14:509 /15:1035 /16:7450 /17:3492 /18:4047 /19:7861 /20:12267 /21:15332 /22:28512 /23:28887 /24:146905 /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 39891 3324 4641 ALJAWWALSTC-AS, SA 8151 3158 5959 UNINET, MX 22773 2553 3507 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1944 9438 AMAZON-02, US 18566 1769 1855 MEGAPATH5-, US 11830 1705 2007 Instituto Costarricense de Electricidad y Telec 5650 1317 1923 FRONTIER-FRTR, US 10620 1276 2096 Telmex Colombia S.A., CO 7018 1091 2504 ATT-INTERNET4, US 209 964 1708 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 2:575 3:249 4:5 5:1363 6:152 7:5 8:731 11:171 12:1098 13:315 14:103 15:285 16:167 17:6 18:662 20:245 21:4 22:188 23:2366 24:831 25:2 27:26 29:19 31:422 32:37 34:2 35:57 36:1105 37:663 38:1304 39:506 40:62 41:941 42:20 43:213 44:41 45:3320 46:847 47:152 49:22 50:355 51:478 52:1384 54:330 55:892 56:5 57:24 58:7 59:29 60:18 61:59 62:565 63:890 64:2093 65:1146 66:2238 67:1004 68:589 69:1229 70:502 71:231 72:683 74:1070 75:432 76:243 77:346 78:612 79:252 80:380 81:332 82:274 83:157 84:345 85:474 86:198 87:284 88:219 89:577 90:100 91:956 92:497 93:926 94:703 95:1223 96:272 97:69 98:546 99:162 100:45 101:29 102:275 103:1192 104:1402 105:64 106:42 107:1390 108:521 109:324 110:32 111:1746 112:472 113:57 114:33 115:17 116:44 117:950 118:65 119:151 120:1070 121:36 122:88 123:82 124:57 125:17 128:434 129:378 130:608 131:1053 132:549 133:267 134:444 135:130 136:420 137:549 138:862 139:534 140:575 141:262 142:804 143:638 144:380 145:90 146:617 147:424 148:695 149:684 150:293 151:608 152:534 153:146 154:643 155:770 156:596 157:328 158:429 159:662 160:725 161:641 162:979 163:403 164:694 165:805 166:570 167:610 168:1378 169:183 170:1513 171:96 172:1294 173:891 174:280 175:42 176:806 177:858 178:378 179:676 180:58 181:1688 182:16 183:869 184:502 185:3448 186:1904 187:873 188:788 189:1333 190:4318 191:323 192:4884 193:1980 194:1458 195:1121 196:951 197:741 198:2578 199:3515 200:3331 201:3224 202:1098 203:640 204:2243 205:1869 206:1651 207:1499 208:1423 209:1967 210:337 211:469 212:1051 213:887 214:1068 215:44 216:2571 217:557 218:523 219:24 220:29 221:292 222:18 223:616 End of report