IPv4 R&E Routing Table Report 20:15 GMT Sun 21 Apr, 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: 185886 Prefixes after maximum aggregation (per Origin AS): 81537 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 101333 Number of IPv4 prefixes with a valid ROA: 71553 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 114313 Total ASes present in the Internet Routing Table: 15773 Prefixes per ASN: 11.79 Origin-only ASes present in the Internet Routing Table: 13639 Origin ASes announcing only one prefix: 6211 Transit ASes present in the Internet Routing Table: 2134 Transit-only ASes present in the Internet Routing Table: 573 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 26 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 231 Number of instances of unregistered ASNs: 231 Number of 32-bit ASNs allocated by the RIRs: 44225 Number of 32-bit ASNs visible in the Routing Table: 5699 Prefixes from 32-bit ASNs in the Routing Table: 19239 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: 100 Number of addresses announced to Internet: 1111264161 Equivalent to 66 /8s, 60 /16s and 139 /24s Percentage of available address space announced: 30.0 Percentage of allocated address space announced: 30.0 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: 53589 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30203 Total APNIC prefixes after maximum aggregation: 7067 APNIC Deaggregation factor: 4.27 Prefixes being announced from the APNIC address blocks: 29845 Unique aggregates announced from the APNIC address blocks: 8177 APNIC Region origin ASes present in the Internet Routing Table: 1141 APNIC Prefixes per ASN: 26.16 APNIC Region origin ASes announcing only one prefix: 456 APNIC Region transit ASes present in the Internet Routing Table: 198 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: 489 Number of APNIC addresses announced to Internet: 199238000 Equivalent to 11 /8s, 224 /16s and 33 /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: 84910 Total ARIN prefixes after maximum aggregation: 46284 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 83457 Unique aggregates announced from the ARIN address blocks: 51155 ARIN Region origin ASes present in the Internet Routing Table: 7301 ARIN Prefixes per ASN: 11.43 ARIN Region origin ASes announcing only one prefix: 3152 ARIN Region transit ASes present in the Internet Routing Table: 628 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: 1495 Number of ARIN addresses announced to Internet: 650533473 Equivalent to 38 /8s, 198 /16s and 90 /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, 393216-402332 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: 35054 Total RIPE prefixes after maximum aggregation: 16458 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35920 Unique aggregates announced from the RIPE address blocks: 23645 RIPE Region origin ASes present in the Internet Routing Table: 3371 RIPE Prefixes per ASN: 10.66 RIPE Region origin ASes announcing only one prefix: 1450 RIPE Region transit ASes present in the Internet Routing Table: 520 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1242 Number of RIPE addresses announced to Internet: 160529872 Equivalent to 9 /8s, 145 /16s and 125 /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: 31363 Total LACNIC prefixes after maximum aggregation: 9914 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31067 Unique aggregates announced from the LACNIC address blocks: 15552 LACNIC Region origin ASes present in the Internet Routing Table: 3083 LACNIC Prefixes per ASN: 10.08 LACNIC Region origin ASes announcing only one prefix: 1069 LACNIC Region transit ASes present in the Internet Routing Table: 620 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2373 Number of LACNIC addresses announced to Internet: 72115200 Equivalent to 4 /8s, 76 /16s and 100 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 4125 Total AfriNIC prefixes after maximum aggregation: 1628 AfriNIC Deaggregation factor: 2.53 Prefixes being announced from the AfriNIC address blocks: 5497 Unique aggregates announced from the AfriNIC address blocks: 2711 AfriNIC Region origin ASes present in the Internet Routing Table: 207 AfriNIC Prefixes per ASN: 26.56 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 60 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 100 Number of AfriNIC addresses announced to Internet: 28790016 Equivalent to 1 /8s, 183 /16s and 77 /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 9691 8743 63 CHINAMOBILE-CN China Mobile Communicati 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1487 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 789 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 730 10656 150 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 449 489 108 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 9834 11363 3471 AMAZON-02, US 749 3201 54912 2453 DNIC-AS-00749, US 367 2837 3550 1357 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1703 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1635 105 1178 USDA-1, US 5972 1400 393 639 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 897 4164 678 AMAZON-AES, 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1313 111 1069 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 21 Jordan Data Communications, JO 8452 510 1841 11 TE-AS TE-AS, EG 51167 500 96 207 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 396 34 5 ASN-ISKON, HR 57878 380 31 187 PRAGER-IT, AT 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 5004 1300 865 UNINET, MX 3816 1314 788 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1101 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 920 1128 28 TELEFONICA BRASIL S.A, BR 11664 589 103 223 Techtel LMDS Comunicaciones Interactiva 26599 570 2961 47 TELEFONICA BRASIL S.A, BR 10620 499 64 420 Telmex Colombia S.A., CO 13999 484 68 209 Mega Cable, S.A. de C.V., MX 27843 229 20 33 WIN EMPRESAS S.A.C., PE 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 666 244 208 LINKdotNET-AS, EG 2018 378 319 71 TENET-1, ZA 36992 344 541 248 ETISALAT-MISR, EG 36935 266 66 79 Vodafone-, EG 36914 196 82 3 KENET-AS, KE 37282 157 20 54 MAINONE, NG 37492 156 471 44 ORANGE-, TN 24835 148 150 87 RAYA-AS, EG 37693 145 595 51 TUNISIANA, TN 15706 110 12 26 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 16509 9834 11363 3471 AMAZON-02, US 9808 9691 8743 63 CHINAMOBILE-CN China Mobile Communicati 8151 5004 1300 865 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3201 54912 2453 DNIC-AS-00749, US 367 2837 3550 1357 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1703 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1635 105 1178 USDA-1, US 56047 1504 192 47 CMNET-HUNAN-AP China Mobile communicati Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9691 9628 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5004 4139 UNINET, MX 11776 1856 1636 ATLANTICBB-JOHNSTOWN, US 367 2837 1480 DNIC-ASBLK-00306-00371, US 56047 1504 1457 CMNET-HUNAN-AP China Mobile communications corp 209 1703 1389 CENTURYLINK-US-LEGACY-QWEST, US 56046 1487 1377 CMNET-JIANGSU-AP China Mobile communications co 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 3816 1314 1122 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 22538 UNALLOCATED 12.131.3.0/24 7018 ATT-INTERNET4, US 26295 UNALLOCATED 12.147.1.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 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 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 RESERVED, ZZ 41.57.124.0/24 Transit: 37204 TELONE, ZW 41.57.125.0/24 Origin: 37442 RESERVED, ZZ 41.57.125.0/24 Transit: 37204 TELONE, ZW 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 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 /8:11 /9:6 /10:17 /11:30 /12:92 /13:125 /14:365 /15:705 /16:5933 /17:2479 /18:2621 /19:5148 /20:8542 /21:10646 /22:19533 /23:20386 /24:108989 /25:76 /26:50 /27:71 /28:19 /29:20 /30:17 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2844 5004 UNINET, MX 16509 2095 9834 AMAZON-02, US 209 961 1703 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1856 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 717 858 BRSPD-PUBLIC, US 6147 697 1101 Telefonica del Peru S.A.A., PE 8376 565 720 Jordan Data Communications, JO 7979 451 1001 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:10 2:385 3:325 5:1056 6:149 7:5 8:621 11:171 12:650 13:311 14:100 15:281 16:174 17:6 18:737 20:34 21:4 22:188 23:1781 24:398 25:2 27:27 29:19 31:175 32:1 34:11 35:58 36:1175 37:400 38:833 39:523 40:11 41:476 42:23 43:182 44:29 45:2383 46:607 47:98 49:11 50:261 51:473 52:1362 54:272 55:924 57:16 58:5 59:38 60:19 61:64 62:341 63:475 64:1503 65:804 66:1240 67:682 68:165 69:751 70:146 71:190 72:386 74:740 75:394 76:202 77:305 78:486 79:174 80:210 81:181 82:182 83:96 84:179 85:331 86:149 87:148 88:119 89:513 90:98 91:562 92:391 93:785 94:501 95:1081 96:167 97:31 98:130 99:150 100:22 101:22 102:214 103:1098 104:707 105:100 106:3 107:213 108:297 109:260 110:34 111:1792 112:448 113:43 114:34 115:15 116:32 117:956 118:109 119:99 120:1090 121:16 122:108 123:49 124:58 125:12 128:356 129:276 130:489 131:790 132:500 133:267 134:335 135:68 136:363 137:405 138:781 139:388 140:591 141:326 142:696 143:609 144:329 145:65 146:477 147:312 148:594 149:494 150:291 151:561 152:536 153:118 154:553 155:680 156:442 157:273 158:318 159:592 160:328 161:424 162:686 163:293 164:634 165:383 166:96 167:398 168:991 169:153 170:1295 171:66 172:889 173:621 174:105 175:41 176:397 177:809 178:309 179:516 180:46 181:977 182:68 183:854 184:199 185:2322 186:1035 187:763 188:487 189:1121 190:2887 191:223 192:3833 193:1261 194:821 195:566 196:365 197:390 198:1933 199:3438 200:2618 201:2460 202:1066 203:613 204:1742 205:1677 206:1138 207:1073 208:978 209:1455 210:342 211:431 212:699 213:558 214:1013 215:42 216:1689 217:281 218:525 219:22 220:29 221:302 222:22 223:633 End of report