IPv4 R&E Routing Table Report 20:15 GMT Tue 14 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: 188723 Prefixes after maximum aggregation (per Origin AS): 83659 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 104246 Number of IPv4 prefixes with a valid ROA: 73267 Number of IPv4 prefixes with an invalid ROA: 18 Number of IPv4 prefixes with no ROA: 115438 Total ASes present in the Internet Routing Table: 15933 Prefixes per ASN: 11.84 Origin-only ASes present in the Internet Routing Table: 13763 Origin ASes announcing only one prefix: 6302 Transit ASes present in the Internet Routing Table: 2170 Transit-only ASes present in the Internet Routing Table: 593 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: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 224 Number of instances of unregistered ASNs: 224 Number of 32-bit ASNs allocated by the RIRs: 44477 Number of 32-bit ASNs visible in the Routing Table: 5691 Prefixes from 32-bit ASNs in the Routing Table: 18945 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: 94 Number of addresses announced to Internet: 1109929633 Equivalent to 66 /8s, 40 /16s and 46 /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: 54865 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30031 Total APNIC prefixes after maximum aggregation: 6968 APNIC Deaggregation factor: 4.31 Prefixes being announced from the APNIC address blocks: 29573 Unique aggregates announced from the APNIC address blocks: 7995 APNIC Region origin ASes present in the Internet Routing Table: 1146 APNIC Prefixes per ASN: 25.81 APNIC Region origin ASes announcing only one prefix: 458 APNIC Region transit ASes present in the Internet Routing Table: 200 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 501 Number of APNIC addresses announced to Internet: 200207728 Equivalent to 11 /8s, 238 /16s and 237 /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: 88491 Total ARIN prefixes after maximum aggregation: 48277 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 87177 Unique aggregates announced from the ARIN address blocks: 54273 ARIN Region origin ASes present in the Internet Routing Table: 7442 ARIN Prefixes per ASN: 11.71 ARIN Region origin ASes announcing only one prefix: 3218 ARIN Region transit ASes present in the Internet Routing Table: 670 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: 1538 Number of ARIN addresses announced to Internet: 651114337 Equivalent to 38 /8s, 207 /16s and 55 /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: 35977 Total RIPE prefixes after maximum aggregation: 16909 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 36714 Unique aggregates announced from the RIPE address blocks: 24449 RIPE Region origin ASes present in the Internet Routing Table: 3456 RIPE Prefixes per ASN: 10.62 RIPE Region origin ASes announcing only one prefix: 1465 RIPE Region transit ASes present in the Internet Routing Table: 534 Average RIPE Region AS path length visible: 6.0 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1264 Number of RIPE addresses announced to Internet: 159796688 Equivalent to 9 /8s, 134 /16s and 77 /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: 29052 Total LACNIC prefixes after maximum aggregation: 9461 LACNIC Deaggregation factor: 3.07 Prefixes being announced from the LACNIC address blocks: 28734 Unique aggregates announced from the LACNIC address blocks: 14318 LACNIC Region origin ASes present in the Internet Routing Table: 2972 LACNIC Prefixes per ASN: 9.67 LACNIC Region origin ASes announcing only one prefix: 1065 LACNIC Region transit ASes present in the Internet Routing Table: 590 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: 2269 Number of LACNIC addresses announced to Internet: 70817536 Equivalent to 4 /8s, 56 /16s and 151 /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: 4948 Total AfriNIC prefixes after maximum aggregation: 1867 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 6431 Unique aggregates announced from the AfriNIC address blocks: 3124 AfriNIC Region origin ASes present in the Internet Routing Table: 230 AfriNIC Prefixes per ASN: 27.96 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 72 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 119 Number of AfriNIC addresses announced to Internet: 27906304 Equivalent to 1 /8s, 169 /16s and 209 /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 9651 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1506 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1482 874 109 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 723 10640 154 GIGAINFRA SoftBank Corp., JP 2907 600 2162 464 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 56040 450 490 109 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 9884 11372 3546 AMAZON-02, US 749 3225 54904 2477 DNIC-AS-00749, US 367 2813 3476 1324 DNIC-ASBLK-00306-00371, US 11776 1860 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1799 116 1251 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US 5972 1347 387 612 DNIC-ASBLK-05800-06055, US 7979 1014 67 200 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 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 1296 108 1048 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 815 1044 145 SAUDINETSTC-AS, SA 8376 721 60 22 Jordan Data Communications, JO 8452 634 1841 11 TE-AS TE-AS, EG 51167 508 98 213 CONTABO, DE 35819 436 436 74 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 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 4469 1253 752 UNINET, MX 3816 1321 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1099 369 22 Telefonica del Peru S.A.A., PE 11830 1042 324 5 Instituto Costarricense de Electricidad 18881 753 1126 30 TELEFONICA BRASIL S.A, BR 26599 539 2819 83 TELEFONICA BRASIL S.A, BR 10620 499 64 420 Telmex Colombia S.A., CO 13999 491 66 214 Mega Cable, S.A. de C.V., MX 27983 230 23 124 Red Intercable Digital S.A., AR 22724 229 15 100 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 791 234 314 LINKdotNET-AS, EG 29571 719 60 177 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 36935 258 64 79 Vodafone-, EG 36914 249 82 3 KENET-AS, KE 36992 205 257 171 ETISALAT-MISR, EG 37492 151 471 44 ORANGE-, TN 24835 148 150 87 RAYA-AS, EG 37693 146 595 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 9884 11372 3546 AMAZON-02, US 9808 9651 8742 61 CHINAMOBILE-CN China Mobile Communicati 39891 4758 286 60 ALJAWWALSTC-AS, SA 8151 4469 1253 752 UNINET, MX 749 3225 54904 2477 DNIC-AS-00749, US 367 2813 3476 1324 DNIC-ASBLK-00306-00371, US 11776 1860 256 220 ATLANTICBB-JOHNSTOWN, US 4155 1799 116 1251 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 891 CABLEONE, US 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 9651 9590 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 4469 3717 UNINET, MX 11776 1860 1640 ATLANTICBB-JOHNSTOWN, US 367 2813 1489 DNIC-ASBLK-00306-00371, US 56047 1506 1459 CMNET-HUNAN-AP China Mobile communications corp 209 1699 1388 CENTURYLINK-US-LEGACY-QWEST, US 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1482 1373 CMNET-JIANGSU-AP China Mobile communications co 3816 1321 1126 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 /12:91 /13:124 /14:354 /15:690 /16:5922 /17:2478 /18:2559 /19:5298 /20:8535 /21:10593 /22:19851 /23:20352 /24:111562 /25:75 /26:49 /27:69 /28:19 /29:20 /30:14 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2352 4469 UNINET, MX 16509 2103 9884 AMAZON-02, US 11492 1207 1597 CABLEONE, US 209 961 1699 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1860 ATLANTICBB-JOHNSTOWN, US 11830 883 1042 Instituto Costarricense de Electricidad y Telec 19901 736 877 BRSPD-PUBLIC, US 6147 694 1099 Telefonica del Peru S.A.A., PE 8376 568 721 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:11 2:370 3:342 5:1102 6:150 7:5 8:612 11:171 12:656 13:306 14:101 15:282 16:175 17:6 18:738 20:34 21:4 22:188 23:1864 24:734 25:2 27:27 29:19 31:212 32:1 34:11 35:57 36:1174 37:441 38:979 39:524 40:11 41:693 42:13 43:182 44:35 45:2396 46:629 47:101 49:9 50:271 51:477 52:1363 54:273 55:994 57:16 58:7 59:36 60:19 61:62 62:335 63:496 64:1537 65:818 66:1273 67:832 68:171 69:832 70:148 71:195 72:460 74:728 75:394 76:209 77:317 78:514 79:173 80:202 81:204 82:176 83:108 84:180 85:366 86:155 87:148 88:116 89:504 90:98 91:598 92:413 93:796 94:494 95:1105 96:367 97:32 98:136 99:151 100:23 101:20 102:291 103:1106 104:760 105:126 106:3 107:198 108:308 109:280 110:36 111:1789 112:445 113:46 114:32 115:16 116:33 117:962 118:71 119:104 120:1076 121:18 122:86 123:23 124:58 125:12 128:361 129:288 130:516 131:808 132:496 133:195 134:334 135:73 136:370 137:416 138:757 139:401 140:596 141:319 142:710 143:583 144:333 145:65 146:493 147:391 148:627 149:495 150:292 151:576 152:582 153:119 154:505 155:683 156:445 157:286 158:316 159:685 160:988 161:463 162:691 163:289 164:648 165:393 166:98 167:401 168:893 169:147 170:1240 171:63 172:912 173:795 174:186 175:41 176:389 177:706 178:383 179:504 180:55 181:925 182:25 183:826 184:311 185:2383 186:799 187:647 188:578 189:975 190:2744 191:185 192:3881 193:1259 194:832 195:570 196:431 197:346 198:1998 199:3642 200:2402 201:2270 202:1068 203:626 204:1776 205:1701 206:1161 207:1159 208:934 209:1442 210:342 211:431 212:687 213:547 214:1000 215:42 216:1772 217:319 218:524 219:24 220:29 221:302 222:22 223:636 End of report