IPv4 R&E Routing Table Report 20:15 GMT Thu 25 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: 186085 Prefixes after maximum aggregation (per Origin AS): 81741 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 101544 Number of IPv4 prefixes with a valid ROA: 72066 Number of IPv4 prefixes with an invalid ROA: 18 Number of IPv4 prefixes with no ROA: 114001 Total ASes present in the Internet Routing Table: 15715 Prefixes per ASN: 11.84 Origin-only ASes present in the Internet Routing Table: 13594 Origin ASes announcing only one prefix: 6217 Transit ASes present in the Internet Routing Table: 2121 Transit-only ASes present in the Internet Routing Table: 570 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: 44257 Number of 32-bit ASNs visible in the Routing Table: 5674 Prefixes from 32-bit ASNs in the Routing Table: 19002 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: 1111493537 Equivalent to 66 /8s, 64 /16s and 11 /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: 53552 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29938 Total APNIC prefixes after maximum aggregation: 7026 APNIC Deaggregation factor: 4.26 Prefixes being announced from the APNIC address blocks: 29615 Unique aggregates announced from the APNIC address blocks: 8013 APNIC Region origin ASes present in the Internet Routing Table: 1108 APNIC Prefixes per ASN: 26.73 APNIC Region origin ASes announcing only one prefix: 442 APNIC Region transit ASes present in the Internet Routing Table: 197 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: 476 Number of APNIC addresses announced to Internet: 198874480 Equivalent to 11 /8s, 218 /16s and 149 /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: 85201 Total ARIN prefixes after maximum aggregation: 46450 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 83809 Unique aggregates announced from the ARIN address blocks: 51441 ARIN Region origin ASes present in the Internet Routing Table: 7318 ARIN Prefixes per ASN: 11.45 ARIN Region origin ASes announcing only one prefix: 3156 ARIN Region transit ASes present in the Internet Routing Table: 629 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: 1503 Number of ARIN addresses announced to Internet: 650451297 Equivalent to 38 /8s, 197 /16s and 25 /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: 35169 Total RIPE prefixes after maximum aggregation: 16489 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35904 Unique aggregates announced from the RIPE address blocks: 23654 RIPE Region origin ASes present in the Internet Routing Table: 3364 RIPE Prefixes per ASN: 10.67 RIPE Region origin ASes announcing only one prefix: 1452 RIPE Region transit ASes present in the Internet Routing Table: 515 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: 1244 Number of RIPE addresses announced to Internet: 160669648 Equivalent to 9 /8s, 147 /16s and 159 /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: 31511 Total LACNIC prefixes after maximum aggregation: 9954 LACNIC Deaggregation factor: 3.17 Prefixes being announced from the LACNIC address blocks: 31209 Unique aggregates announced from the LACNIC address blocks: 15654 LACNIC Region origin ASes present in the Internet Routing Table: 3051 LACNIC Prefixes per ASN: 10.23 LACNIC Region origin ASes announcing only one prefix: 1080 LACNIC Region transit ASes present in the Internet Routing Table: 610 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: 2348 Number of LACNIC addresses announced to Internet: 73213952 Equivalent to 4 /8s, 93 /16s and 40 /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: 4035 Total AfriNIC prefixes after maximum aggregation: 1637 AfriNIC Deaggregation factor: 2.46 Prefixes being announced from the AfriNIC address blocks: 5456 Unique aggregates announced from the AfriNIC address blocks: 2696 AfriNIC Region origin ASes present in the Internet Routing Table: 208 AfriNIC Prefixes per ASN: 26.23 AfriNIC Region origin ASes announcing only one prefix: 87 AfriNIC Region transit ASes present in the Internet Routing Table: 63 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 103 Number of AfriNIC addresses announced to Internet: 28243456 Equivalent to 1 /8s, 174 /16s and 246 /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 9699 8743 62 CHINAMOBILE-CN China Mobile Communicati 56047 1507 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1489 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 9828 11361 3490 AMAZON-02, US 749 3200 54911 2452 DNIC-AS-00749, US 367 2835 3550 1361 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1703 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1683 108 1200 USDA-1, US 5972 1399 393 636 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 899 4165 680 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 1321 112 1073 AKAMAI-ASN1, NL 3215 900 4830 293 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 21 Jordan Data Communications, JO 8452 613 1841 11 TE-AS TE-AS, EG 51167 501 96 208 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 35819 397 390 99 MOBILY-AS Etihad Etisalat Company Mobil 13046 395 34 5 ASN-ISKON, HR 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 5563 1467 890 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 920 1128 28 TELEFONICA BRASIL S.A, BR 11664 590 103 223 Techtel LMDS Comunicaciones Interactiva 26599 570 2961 47 TELEFONICA BRASIL S.A, BR 10620 501 64 422 Telmex Colombia S.A., CO 13999 476 67 202 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 622 209 252 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 36992 322 477 236 ETISALAT-MISR, EG 36935 266 66 79 Vodafone-, EG 36914 201 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 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 9828 11361 3490 AMAZON-02, US 9808 9699 8743 62 CHINAMOBILE-CN China Mobile Communicati 8151 5563 1467 890 UNINET, MX 39891 4741 285 59 ALJAWWALSTC-AS, SA 749 3200 54911 2452 DNIC-AS-00749, US 367 2835 3550 1361 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1703 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1683 108 1200 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 9699 9637 CHINAMOBILE-CN China Mobile Communications Grou 39891 4741 4682 ALJAWWALSTC-AS, SA 8151 5563 4673 UNINET, MX 11776 1858 1638 ATLANTICBB-JOHNSTOWN, US 367 2835 1474 DNIC-ASBLK-00306-00371, US 56047 1507 1460 CMNET-HUNAN-AP China Mobile communications corp 209 1703 1389 CENTURYLINK-US-LEGACY-QWEST, US 56046 1489 1379 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 /14:365 /15:706 /16:5927 /17:2477 /18:2601 /19:5223 /20:8583 /21:10801 /22:19599 /23:20433 /24:108832 /25:76 /26:50 /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 3071 5563 UNINET, MX 16509 2097 9828 AMAZON-02, US 209 961 1703 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1858 ATLANTICBB-JOHNSTOWN, US 11830 884 1043 Instituto Costarricense de Electricidad y Telec 19901 721 862 BRSPD-PUBLIC, US 6147 699 1104 Telefonica del Peru S.A.A., PE 8376 567 722 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 3:326 5:1044 6:149 7:5 8:618 11:171 12:657 13:309 14:100 15:282 16:174 17:6 18:739 20:34 21:4 22:188 23:1792 24:397 25:2 27:26 29:19 31:174 32:1 34:11 35:58 36:1176 37:411 38:851 39:524 40:11 41:503 42:23 43:178 44:29 45:2359 46:606 47:93 49:11 50:258 51:476 52:1360 54:271 55:997 57:16 58:7 59:38 60:19 61:63 62:341 63:478 64:1492 65:797 66:1246 67:685 68:179 69:751 70:146 71:188 72:373 74:743 75:392 76:202 77:311 78:486 79:174 80:210 81:184 82:181 83:100 84:182 85:339 86:153 87:148 88:119 89:521 90:98 91:557 92:391 93:786 94:514 95:1077 96:163 97:31 98:131 99:151 100:22 101:20 102:222 103:1031 104:730 105:100 106:3 107:208 108:298 109:260 110:34 111:1794 112:449 113:44 114:32 115:15 116:28 117:958 118:110 119:100 120:1089 121:17 122:111 123:50 124:57 125:12 128:358 129:276 130:504 131:787 132:499 133:195 134:336 135:68 136:365 137:409 138:780 139:390 140:595 141:319 142:697 143:609 144:330 145:64 146:471 147:319 148:596 149:489 150:291 151:566 152:536 153:118 154:530 155:674 156:437 157:274 158:317 159:592 160:327 161:421 162:683 163:294 164:628 165:380 166:96 167:399 168:953 169:160 170:1299 171:65 172:894 173:632 174:105 175:34 176:399 177:745 178:297 179:505 180:49 181:973 182:60 183:856 184:199 185:2314 186:985 187:786 188:495 189:1127 190:2845 191:188 192:3831 193:1260 194:827 195:559 196:374 197:379 198:1954 199:3494 200:2594 201:2475 202:1058 203:627 204:1749 205:1680 206:1149 207:1088 208:981 209:1428 210:329 211:431 212:696 213:556 214:1019 215:42 216:1704 217:270 218:526 219:24 220:29 221:302 222:22 223:637 End of report