IPv4 R&E Routing Table Report 20:15 GMT Fri 19 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: 186994 Prefixes after maximum aggregation (per Origin AS): 81761 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 101644 Number of IPv4 prefixes with a valid ROA: 72232 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 114743 Total ASes present in the Internet Routing Table: 15915 Prefixes per ASN: 11.75 Origin-only ASes present in the Internet Routing Table: 13744 Origin ASes announcing only one prefix: 6289 Transit ASes present in the Internet Routing Table: 2171 Transit-only ASes present in the Internet Routing Table: 595 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: 225 Number of instances of unregistered ASNs: 225 Number of 32-bit ASNs allocated by the RIRs: 44201 Number of 32-bit ASNs visible in the Routing Table: 5774 Prefixes from 32-bit ASNs in the Routing Table: 19338 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: 1116872353 Equivalent to 66 /8s, 146 /16s and 30 /24s Percentage of available address space announced: 30.2 Percentage of allocated address space announced: 30.2 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: 53887 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30231 Total APNIC prefixes after maximum aggregation: 7084 APNIC Deaggregation factor: 4.27 Prefixes being announced from the APNIC address blocks: 29878 Unique aggregates announced from the APNIC address blocks: 8207 APNIC Region origin ASes present in the Internet Routing Table: 1138 APNIC Prefixes per ASN: 26.25 APNIC Region origin ASes announcing only one prefix: 452 APNIC Region transit ASes present in the Internet Routing Table: 201 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: 493 Number of APNIC addresses announced to Internet: 199332208 Equivalent to 11 /8s, 225 /16s and 145 /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: 84956 Total ARIN prefixes after maximum aggregation: 46263 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 83516 Unique aggregates announced from the ARIN address blocks: 51249 ARIN Region origin ASes present in the Internet Routing Table: 7301 ARIN Prefixes per ASN: 11.44 ARIN Region origin ASes announcing only one prefix: 3154 ARIN Region transit ASes present in the Internet Routing Table: 627 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: 1488 Number of ARIN addresses announced to Internet: 650539361 Equivalent to 38 /8s, 198 /16s and 113 /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: 35677 Total RIPE prefixes after maximum aggregation: 16688 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 36496 Unique aggregates announced from the RIPE address blocks: 23898 RIPE Region origin ASes present in the Internet Routing Table: 3448 RIPE Prefixes per ASN: 10.58 RIPE Region origin ASes announcing only one prefix: 1495 RIPE Region transit ASes present in the Internet Routing Table: 538 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: 1278 Number of RIPE addresses announced to Internet: 162900432 Equivalent to 9 /8s, 181 /16s and 169 /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: 31344 Total LACNIC prefixes after maximum aggregation: 9970 LACNIC Deaggregation factor: 3.14 Prefixes being announced from the LACNIC address blocks: 31055 Unique aggregates announced from the LACNIC address blocks: 15545 LACNIC Region origin ASes present in the Internet Routing Table: 3122 LACNIC Prefixes per ASN: 9.95 LACNIC Region origin ASes announcing only one prefix: 1094 LACNIC Region transit ASes present in the Internet Routing Table: 626 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: 2409 Number of LACNIC addresses announced to Internet: 72067072 Equivalent to 4 /8s, 75 /16s and 168 /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: 4561 Total AfriNIC prefixes after maximum aggregation: 1571 AfriNIC Deaggregation factor: 2.90 Prefixes being announced from the AfriNIC address blocks: 5955 Unique aggregates announced from the AfriNIC address blocks: 2653 AfriNIC Region origin ASes present in the Internet Routing Table: 215 AfriNIC Prefixes per ASN: 27.70 AfriNIC Region origin ASes announcing only one prefix: 94 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: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 106 Number of AfriNIC addresses announced to Internet: 31976704 Equivalent to 1 /8s, 231 /16s and 237 /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 9833 11363 3479 AMAZON-02, US 749 3202 54912 2454 DNIC-AS-00749, US 367 2833 3546 1352 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1703 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1637 105 1179 USDA-1, US 5972 1398 393 639 DNIC-ASBLK-05800-06055, US 7979 1001 66 199 SERVERS-COM, US 855 960 255 82 CANET-ASN-4, CA 14618 896 4164 677 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 723 60 21 Jordan Data Communications, JO 8452 524 1841 10 TE-AS TE-AS, EG 51167 500 96 207 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 5003 1300 872 UNINET, MX 3816 1313 788 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1102 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 500 64 421 Telmex Colombia S.A., CO 13999 485 68 210 Mega Cable, S.A. de C.V., MX 22724 229 15 98 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 664 242 206 LINKdotNET-AS, EG 24835 423 365 30 RAYA-AS, EG 2018 380 319 71 TENET-1, ZA 36992 364 577 252 ETISALAT-MISR, EG 36935 325 518 27 Vodafone-, EG 36914 204 82 3 KENET-AS, KE 37282 157 20 54 MAINONE, NG 37492 156 471 44 ORANGE-, TN 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 9833 11363 3479 AMAZON-02, US 9808 9691 8743 63 CHINAMOBILE-CN China Mobile Communicati 8151 5003 1300 872 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3202 54912 2454 DNIC-AS-00749, US 367 2833 3546 1352 DNIC-ASBLK-00306-00371, US 11776 1856 256 220 ATLANTICBB-JOHNSTOWN, US 209 1703 4898 314 CENTURYLINK-US-LEGACY-QWEST, US 4155 1637 105 1179 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 5003 4131 UNINET, MX 11776 1856 1636 ATLANTICBB-JOHNSTOWN, US 367 2833 1481 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 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 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM 41.79.128.0/22 Origin: 37475 RESERVED, ZZ 41.79.128.0/22 Transit: 15964 CAMNET-AS, CM 41.204.240.0/24 Origin: 36911 RESERVED, ZZ 41.204.240.0/24 Transit: 328766 RESERVED, ZZ 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 /11:31 /12:92 /13:126 /14:366 /15:712 /16:5969 /17:2496 /18:2649 /19:5173 /20:8583 /21:10709 /22:20033 /23:20455 /24:109308 /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 2843 5003 UNINET, MX 16509 2096 9833 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 698 1102 Telefonica del Peru S.A.A., PE 8376 568 723 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 2:387 3:324 5:1055 6:149 7:5 8:619 11:171 12:652 13:311 14:99 15:281 16:175 17:6 18:737 20:34 21:4 22:188 23:1780 24:398 25:2 27:27 29:19 31:175 32:1 34:11 35:58 36:1175 37:414 38:833 39:522 40:11 41:499 42:23 43:183 44:29 45:2422 46:607 47:98 49:11 50:265 51:471 52:1362 54:272 55:927 57:16 58:4 59:38 60:19 61:64 62:344 63:471 64:1511 65:799 66:1242 67:684 68:165 69:751 70:147 71:189 72:388 74:744 75:394 76:202 77:304 78:487 79:174 80:210 81:203 82:170 83:95 84:179 85:329 86:149 87:147 88:120 89:508 90:98 91:569 92:395 93:787 94:508 95:1083 96:167 97:31 98:130 99:151 100:22 101:21 102:219 103:1100 104:711 105:113 106:3 107:213 108:301 109:259 110:32 111:1792 112:448 113:43 114:34 115:15 116:32 117:956 118:110 119:99 120:1090 121:16 122:108 123:49 124:58 125:11 128:357 129:278 130:491 131:795 132:500 133:267 134:349 135:69 136:364 137:407 138:790 139:391 140:594 141:334 142:697 143:603 144:329 145:67 146:496 147:316 148:597 149:496 150:291 151:563 152:536 153:118 154:557 155:680 156:448 157:271 158:319 159:592 160:357 161:422 162:693 163:296 164:636 165:383 166:96 167:401 168:1033 169:153 170:1314 171:66 172:893 173:621 174:105 175:41 176:410 177:761 178:335 179:513 180:50 181:973 182:68 183:854 184:198 185:2380 186:1040 187:760 188:478 189:1065 190:2900 191:188 192:3833 193:1246 194:821 195:560 196:389 197:393 198:1930 199:3464 200:2654 201:2452 202:1069 203:628 204:1748 205:1670 206:1136 207:1065 208:978 209:1449 210:341 211:431 212:701 213:560 214:987 215:28 216:1693 217:281 218:525 219:22 220:29 221:302 222:22 223:633 End of report