IPv4 R&E Routing Table Report 20:15 GMT Wed 01 May, 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: 185121 Prefixes after maximum aggregation (per Origin AS): 81552 Deaggregation factor: 2.27 Unique aggregates announced (without unneeded subnets): 101449 Number of IPv4 prefixes with a valid ROA: 72671 Number of IPv4 prefixes with an invalid ROA: 22 Number of IPv4 prefixes with no ROA: 112428 Total ASes present in the Internet Routing Table: 15729 Prefixes per ASN: 11.77 Origin-only ASes present in the Internet Routing Table: 13596 Origin ASes announcing only one prefix: 6219 Transit ASes present in the Internet Routing Table: 2133 Transit-only ASes present in the Internet Routing Table: 585 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.9 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: 44332 Number of 32-bit ASNs visible in the Routing Table: 5656 Prefixes from 32-bit ASNs in the Routing Table: 18878 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: 95 Number of addresses announced to Internet: 1111640481 Equivalent to 66 /8s, 66 /16s and 73 /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: 53119 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29798 Total APNIC prefixes after maximum aggregation: 6967 APNIC Deaggregation factor: 4.28 Prefixes being announced from the APNIC address blocks: 29468 Unique aggregates announced from the APNIC address blocks: 7940 APNIC Region origin ASes present in the Internet Routing Table: 1140 APNIC Prefixes per ASN: 25.85 APNIC Region origin ASes announcing only one prefix: 459 APNIC Region transit ASes present in the Internet Routing Table: 199 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 494 Number of APNIC addresses announced to Internet: 198979952 Equivalent to 11 /8s, 220 /16s and 49 /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: 85047 Total ARIN prefixes after maximum aggregation: 46431 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 83640 Unique aggregates announced from the ARIN address blocks: 51303 ARIN Region origin ASes present in the Internet Routing Table: 7320 ARIN Prefixes per ASN: 11.43 ARIN Region origin ASes announcing only one prefix: 3159 ARIN Region transit ASes present in the Internet Routing Table: 638 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: 1508 Number of ARIN addresses announced to Internet: 651125345 Equivalent to 38 /8s, 207 /16s and 98 /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: 35029 Total RIPE prefixes after maximum aggregation: 16457 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35779 Unique aggregates announced from the RIPE address blocks: 23641 RIPE Region origin ASes present in the Internet Routing Table: 3358 RIPE Prefixes per ASN: 10.65 RIPE Region origin ASes announcing only one prefix: 1439 RIPE Region transit ASes present in the Internet Routing Table: 521 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1252 Number of RIPE addresses announced to Internet: 159865808 Equivalent to 9 /8s, 135 /16s and 91 /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: 30995 Total LACNIC prefixes after maximum aggregation: 9807 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 30692 Unique aggregates announced from the LACNIC address blocks: 15699 LACNIC Region origin ASes present in the Internet Routing Table: 3023 LACNIC Prefixes per ASN: 10.15 LACNIC Region origin ASes announcing only one prefix: 1083 LACNIC Region transit ASes present in the Internet Routing Table: 607 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: 2304 Number of LACNIC addresses announced to Internet: 73382400 Equivalent to 4 /8s, 95 /16s and 186 /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: 4021 Total AfriNIC prefixes after maximum aggregation: 1705 AfriNIC Deaggregation factor: 2.36 Prefixes being announced from the AfriNIC address blocks: 5447 Unique aggregates announced from the AfriNIC address blocks: 2778 AfriNIC Region origin ASes present in the Internet Routing Table: 207 AfriNIC Prefixes per ASN: 26.31 AfriNIC Region origin ASes announcing only one prefix: 79 AfriNIC Region transit ASes present in the Internet Routing Table: 61 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 98 Number of AfriNIC addresses announced to Internet: 28238080 Equivalent to 1 /8s, 174 /16s and 225 /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 9648 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1506 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1483 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1450 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 725 10640 155 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 478 497 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 9781 11350 3539 AMAZON-02, US 749 3200 54911 2452 DNIC-AS-00749, US 367 2819 3546 1347 DNIC-ASBLK-00306-00371, US 11776 1860 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1710 110 1209 USDA-1, US 209 1702 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 5972 1397 393 634 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 901 4165 682 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 4741 285 59 ALJAWWALSTC-AS, SA 20940 1259 106 1028 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 810 1032 146 SAUDINETSTC-AS, SA 8376 713 60 24 Jordan Data Communications, JO 8452 613 1841 11 TE-AS TE-AS, EG 51167 507 98 212 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 391 34 5 ASN-ISKON, HR 57878 381 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 5512 1700 913 UNINET, MX 3816 1314 788 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1097 369 22 Telefonica del Peru S.A.A., PE 11830 1043 324 5 Instituto Costarricense de Electricidad 18881 922 1128 28 TELEFONICA BRASIL S.A, BR 26599 570 2961 47 TELEFONICA BRASIL S.A, BR 10620 499 64 420 Telmex Colombia S.A., CO 13999 477 65 211 Mega Cable, S.A. de C.V., MX 27983 231 23 123 Red Intercable Digital S.A., AR 22724 229 15 99 PUNTONET S.A., EC 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 612 208 251 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 36992 280 384 212 ETISALAT-MISR, EG 36935 258 64 79 Vodafone-, EG 37282 157 20 54 MAINONE, NG 37492 156 471 44 ORANGE-, TN 24835 148 150 87 RAYA-AS, EG 37693 146 595 51 TUNISIANA, TN 29571 112 39 42 ORANGE-COTE-IVOIRE, CI 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 9781 11350 3539 AMAZON-02, US 9808 9648 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5512 1700 913 UNINET, MX 39891 4741 285 59 ALJAWWALSTC-AS, SA 749 3200 54911 2452 DNIC-AS-00749, US 367 2819 3546 1347 DNIC-ASBLK-00306-00371, US 11776 1860 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1710 110 1209 USDA-1, US 209 1702 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 56047 1506 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 9648 9587 CHINAMOBILE-CN China Mobile Communications Grou 39891 4741 4682 ALJAWWALSTC-AS, SA 8151 5512 4599 UNINET, MX 11776 1860 1640 ATLANTICBB-JOHNSTOWN, US 367 2819 1472 DNIC-ASBLK-00306-00371, US 56047 1506 1459 CMNET-HUNAN-AP China Mobile communications corp 209 1702 1389 CENTURYLINK-US-LEGACY-QWEST, US 56041 1450 1377 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1483 1373 CMNET-JIANGSU-AP China Mobile communications co 3816 1314 1119 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 /14:363 /15:705 /16:5913 /17:2499 /18:2594 /19:5359 /20:8590 /21:10645 /22:19415 /23:20143 /24:108361 /25:75 /26:49 /27:71 /28:19 /29:20 /30:15 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3424 4741 ALJAWWALSTC-AS, SA 8151 2963 5512 UNINET, MX 16509 2090 9781 AMAZON-02, US 209 961 1702 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1860 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 720 861 BRSPD-PUBLIC, US 6147 692 1097 Telefonica del Peru S.A.A., PE 8376 560 713 Jordan Data Communications, JO 7979 451 1002 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:9 2:352 3:328 5:1063 6:149 7:5 8:612 11:171 12:656 13:301 14:102 15:282 16:174 17:6 18:737 20:34 21:4 22:188 23:1777 24:396 25:2 27:27 29:19 31:180 32:1 34:11 35:56 36:1173 37:431 38:877 39:525 40:11 41:463 42:14 43:177 44:28 45:2363 46:610 47:94 49:11 50:264 51:473 52:1356 54:271 55:998 57:16 58:7 59:38 60:19 61:64 62:330 63:475 64:1513 65:789 66:1245 67:666 68:166 69:745 70:145 71:191 72:367 74:723 75:394 76:203 77:308 78:484 79:171 80:209 81:182 82:182 83:96 84:178 85:340 86:152 87:148 88:118 89:515 90:98 91:539 92:386 93:790 94:503 95:1071 96:161 97:30 98:130 99:150 100:22 101:20 102:224 103:1066 104:728 105:146 106:3 107:210 108:296 109:260 110:36 111:1790 112:445 113:44 114:32 115:15 116:28 117:959 118:70 119:100 120:1075 121:16 122:89 123:20 124:57 125:12 128:354 129:287 130:509 131:775 132:494 133:195 134:336 135:68 136:365 137:414 138:766 139:389 140:601 141:318 142:696 143:608 144:328 145:64 146:469 147:318 148:591 149:480 150:293 151:566 152:538 153:118 154:548 155:678 156:437 157:277 158:315 159:585 160:369 161:425 162:680 163:283 164:638 165:378 166:98 167:402 168:945 169:158 170:1255 171:63 172:888 173:620 174:108 175:41 176:402 177:752 178:319 179:530 180:57 181:977 182:24 183:827 184:196 185:2329 186:908 187:884 188:489 189:1190 190:2780 191:198 192:3838 193:1266 194:825 195:549 196:406 197:274 198:1945 199:3522 200:2459 201:2422 202:1051 203:626 204:1755 205:1674 206:1123 207:1090 208:910 209:1440 210:344 211:431 212:692 213:552 214:1016 215:42 216:1722 217:276 218:526 219:24 220:29 221:302 222:22 223:634 End of report