IPv4 R&E Routing Table Report 20:15 GMT Sat 27 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: 185885 Prefixes after maximum aggregation (per Origin AS): 81542 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 101074 Number of IPv4 prefixes with a valid ROA: 71927 Number of IPv4 prefixes with an invalid ROA: 17 Number of IPv4 prefixes with no ROA: 113941 Total ASes present in the Internet Routing Table: 15648 Prefixes per ASN: 11.88 Origin-only ASes present in the Internet Routing Table: 13529 Origin ASes announcing only one prefix: 6197 Transit ASes present in the Internet Routing Table: 2119 Transit-only ASes present in the Internet Routing Table: 574 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.8 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: 44303 Number of 32-bit ASNs visible in the Routing Table: 5609 Prefixes from 32-bit ASNs in the Routing Table: 18799 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: 92 Number of addresses announced to Internet: 1111871393 Equivalent to 66 /8s, 69 /16s and 207 /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: 53702 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29746 Total APNIC prefixes after maximum aggregation: 6878 APNIC Deaggregation factor: 4.32 Prefixes being announced from the APNIC address blocks: 29427 Unique aggregates announced from the APNIC address blocks: 7876 APNIC Region origin ASes present in the Internet Routing Table: 1100 APNIC Prefixes per ASN: 26.75 APNIC Region origin ASes announcing only one prefix: 445 APNIC Region transit ASes present in the Internet Routing Table: 193 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 471 Number of APNIC addresses announced to Internet: 198812528 Equivalent to 11 /8s, 217 /16s and 163 /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: 84959 Total ARIN prefixes after maximum aggregation: 46390 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 83526 Unique aggregates announced from the ARIN address blocks: 51201 ARIN Region origin ASes present in the Internet Routing Table: 7310 ARIN Prefixes per ASN: 11.43 ARIN Region origin ASes announcing only one prefix: 3157 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: 1501 Number of ARIN addresses announced to Internet: 650078049 Equivalent to 38 /8s, 191 /16s and 103 /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: 35136 Total RIPE prefixes after maximum aggregation: 16489 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35898 Unique aggregates announced from the RIPE address blocks: 23685 RIPE Region origin ASes present in the Internet Routing Table: 3375 RIPE Prefixes per ASN: 10.64 RIPE Region origin ASes announcing only one prefix: 1445 RIPE Region transit ASes present in the Internet Routing Table: 530 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1251 Number of RIPE addresses announced to Internet: 160209616 Equivalent to 9 /8s, 140 /16s and 154 /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: 31625 Total LACNIC prefixes after maximum aggregation: 9905 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 31334 Unique aggregates announced from the LACNIC address blocks: 15467 LACNIC Region origin ASes present in the Internet Routing Table: 2981 LACNIC Prefixes per ASN: 10.51 LACNIC Region origin ASes announcing only one prefix: 1066 LACNIC Region transit ASes present in the Internet Routing Table: 600 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: 2282 Number of LACNIC addresses announced to Internet: 74448896 Equivalent to 4 /8s, 112 /16s and 0 /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: 4188 Total AfriNIC prefixes after maximum aggregation: 1695 AfriNIC Deaggregation factor: 2.47 Prefixes being announced from the AfriNIC address blocks: 5608 Unique aggregates announced from the AfriNIC address blocks: 2759 AfriNIC Region origin ASes present in the Internet Routing Table: 212 AfriNIC Prefixes per ASN: 26.45 AfriNIC Region origin ASes announcing only one prefix: 84 AfriNIC Region transit ASes present in the Internet Routing Table: 61 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 104 Number of AfriNIC addresses announced to Internet: 28281600 Equivalent to 1 /8s, 175 /16s and 139 /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 9700 8743 62 CHINAMOBILE-CN China Mobile Communicati 56047 1507 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1491 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1449 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 9793 11354 3513 AMAZON-02, US 749 3200 54911 2452 DNIC-AS-00749, US 367 2801 3529 1348 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1702 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 4155 1699 109 1211 USDA-1, US 5972 1400 393 634 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 900 4165 681 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 1300 109 1060 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 714 59 22 Jordan Data Communications, JO 8452 613 1841 11 TE-AS TE-AS, EG 51167 502 96 209 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 13046 393 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 5900 1710 930 UNINET, MX 3816 1313 788 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1104 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 11664 596 104 227 Techtel LMDS Comunicaciones Interactiva 26599 570 2961 47 TELEFONICA BRASIL S.A, BR 10620 499 64 420 Telmex Colombia S.A., CO 13999 475 65 209 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 613 209 253 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 36992 328 479 241 ETISALAT-MISR, EG 36935 266 66 79 Vodafone-, EG 36914 204 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 146 595 51 TUNISIANA, TN 29571 111 39 42 ORANGE-COTE-IVOIRE, CI 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 9793 11354 3513 AMAZON-02, US 9808 9700 8743 62 CHINAMOBILE-CN China Mobile Communicati 8151 5900 1710 930 UNINET, MX 39891 4741 285 59 ALJAWWALSTC-AS, SA 749 3200 54911 2452 DNIC-AS-00749, US 367 2801 3529 1348 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1702 4898 313 CENTURYLINK-US-LEGACY-QWEST, US 4155 1699 109 1211 USDA-1, US 56047 1507 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 9700 9638 CHINAMOBILE-CN China Mobile Communications Grou 8151 5900 4970 UNINET, MX 39891 4741 4682 ALJAWWALSTC-AS, SA 11776 1858 1638 ATLANTICBB-JOHNSTOWN, US 56047 1507 1460 CMNET-HUNAN-AP China Mobile communications corp 367 2801 1453 DNIC-ASBLK-00306-00371, US 209 1702 1389 CENTURYLINK-US-LEGACY-QWEST, US 56046 1491 1381 CMNET-JIANGSU-AP China Mobile communications co 56041 1449 1376 CMNET-ZHEJIANG-AP China Mobile communications c 3816 1313 1116 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 /14:364 /15:706 /16:5920 /17:2478 /18:2596 /19:5357 /20:8537 /21:10873 /22:19544 /23:20377 /24:108596 /25:76 /26:49 /27:71 /28:19 /29:20 /30:17 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3424 4741 ALJAWWALSTC-AS, SA 8151 3158 5900 UNINET, MX 16509 2094 9793 AMAZON-02, US 209 961 1702 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1858 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 726 867 BRSPD-PUBLIC, US 6147 699 1104 Telefonica del Peru S.A.A., PE 8376 559 714 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) ---------------------------------------------- 1:10 2:364 3:327 5:1061 6:149 7:5 8:614 11:171 12:656 13:307 14:100 15:281 16:173 17:6 18:738 20:34 21:4 22:188 23:1785 24:395 25:2 27:27 29:19 31:176 32:1 34:11 35:58 36:1178 37:423 38:846 39:524 40:11 41:542 42:13 43:174 44:29 45:2331 46:607 47:94 49:11 50:261 51:476 52:1355 54:271 55:985 57:16 58:7 59:38 60:19 61:63 62:341 63:481 64:1514 65:795 66:1243 67:683 68:166 69:753 70:146 71:188 72:372 74:739 75:393 76:202 77:308 78:486 79:172 80:211 81:175 82:180 83:100 84:178 85:340 86:152 87:148 88:118 89:514 90:98 91:555 92:390 93:790 94:509 95:1078 96:162 97:31 98:130 99:151 100:22 101:21 102:225 103:1020 104:728 105:100 106:3 107:208 108:299 109:260 110:34 111:1795 112:448 113:44 114:32 115:15 116:28 117:958 118:70 119:100 120:1089 121:17 122:87 123:23 124:57 125:12 128:358 129:276 130:501 131:762 132:495 133:195 134:337 135:68 136:364 137:411 138:753 139:389 140:595 141:321 142:697 143:605 144:329 145:65 146:468 147:320 148:592 149:487 150:292 151:567 152:536 153:118 154:546 155:675 156:435 157:275 158:315 159:592 160:371 161:422 162:682 163:293 164:635 165:380 166:95 167:396 168:932 169:161 170:1281 171:63 172:894 173:619 174:109 175:34 176:412 177:726 178:299 179:499 180:49 181:975 182:13 183:856 184:197 185:2330 186:1015 187:796 188:488 189:1141 190:2845 191:189 192:3814 193:1261 194:828 195:558 196:381 197:385 198:1946 199:3504 200:2550 201:2474 202:1053 203:626 204:1734 205:1657 206:1143 207:1096 208:979 209:1436 210:329 211:431 212:698 213:565 214:1020 215:43 216:1703 217:283 218:526 219:24 220:29 221:302 222:22 223:637 End of report