IPv4 R&E Routing Table Report 20:15 GMT Tue 19 Mar, 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: 184189 Prefixes after maximum aggregation (per Origin AS): 79990 Deaggregation factor: 2.30 Unique aggregates announced (without unneeded subnets): 100517 Number of IPv4 prefixes with a valid ROA: 70087 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 114083 Total ASes present in the Internet Routing Table: 15557 Prefixes per ASN: 11.84 Origin-only ASes present in the Internet Routing Table: 13421 Origin ASes announcing only one prefix: 6106 Transit ASes present in the Internet Routing Table: 2136 Transit-only ASes present in the Internet Routing Table: 581 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: 28 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 214 Number of instances of unregistered ASNs: 214 Number of 32-bit ASNs allocated by the RIRs: 43854 Number of 32-bit ASNs visible in the Routing Table: 5646 Prefixes from 32-bit ASNs in the Routing Table: 18625 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: 90 Number of addresses announced to Internet: 1026902201 Equivalent to 61 /8s, 53 /16s and 72 /24s Percentage of available address space announced: 27.7 Percentage of allocated address space announced: 27.7 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: 54032 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28622 Total APNIC prefixes after maximum aggregation: 6475 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28404 Unique aggregates announced from the APNIC address blocks: 7508 APNIC Region origin ASes present in the Internet Routing Table: 1098 APNIC Prefixes per ASN: 25.87 APNIC Region origin ASes announcing only one prefix: 440 APNIC Region transit ASes present in the Internet Routing Table: 181 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 475 Number of APNIC addresses announced to Internet: 157637256 Equivalent to 9 /8s, 101 /16s and 90 /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: 82524 Total ARIN prefixes after maximum aggregation: 44831 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81435 Unique aggregates announced from the ARIN address blocks: 50635 ARIN Region origin ASes present in the Internet Routing Table: 7193 ARIN Prefixes per ASN: 11.32 ARIN Region origin ASes announcing only one prefix: 3067 ARIN Region transit ASes present in the Internet Routing Table: 646 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: 1462 Number of ARIN addresses announced to Internet: 605616737 Equivalent to 36 /8s, 24 /16s and 250 /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, 393216-401308 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: 34827 Total RIPE prefixes after maximum aggregation: 16431 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35296 Unique aggregates announced from the RIPE address blocks: 23179 RIPE Region origin ASes present in the Internet Routing Table: 3264 RIPE Prefixes per ASN: 10.81 RIPE Region origin ASes announcing only one prefix: 1405 RIPE Region transit ASes present in the Internet Routing Table: 513 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1200 Number of RIPE addresses announced to Internet: 157434320 Equivalent to 9 /8s, 98 /16s and 65 /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: 33308 Total LACNIC prefixes after maximum aggregation: 10271 LACNIC Deaggregation factor: 3.24 Prefixes being announced from the LACNIC address blocks: 33034 Unique aggregates announced from the LACNIC address blocks: 16257 LACNIC Region origin ASes present in the Internet Routing Table: 3095 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 1098 LACNIC Region transit ASes present in the Internet Routing Table: 629 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: 2384 Number of LACNIC addresses announced to Internet: 74761216 Equivalent to 4 /8s, 116 /16s and 196 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 4694 Total AfriNIC prefixes after maximum aggregation: 1805 AfriNIC Deaggregation factor: 2.60 Prefixes being announced from the AfriNIC address blocks: 5930 Unique aggregates announced from the AfriNIC address blocks: 2854 AfriNIC Region origin ASes present in the Internet Routing Table: 233 AfriNIC Prefixes per ASN: 25.45 AfriNIC Region origin ASes announcing only one prefix: 96 AfriNIC Region transit ASes present in the Internet Routing Table: 63 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 125 Number of AfriNIC addresses announced to Internet: 31402240 Equivalent to 1 /8s, 223 /16s and 41 /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 8739 54 CHINAMOBILE-CN China Mobile Communicati 56047 1477 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1470 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1442 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 435 488 107 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 9729 11350 3396 AMAZON-02, US 749 3191 54916 2443 DNIC-AS-00749, US 367 2930 3633 1397 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1700 4898 318 CENTURYLINK-US-LEGACY-QWEST, US 4155 1540 99 1150 USDA-1, US 5972 1429 397 640 DNIC-ASBLK-05800-06055, US 7979 997 66 198 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 863 403 794 AKAMAI-AS, 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 1311 114 1070 AKAMAI-ASN1, NL 3215 898 4818 295 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 58224 558 244 384 TCI, IR 8452 541 1841 11 TE-AS TE-AS, EG 51167 439 81 186 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 413 60 339 TELLCOM-AS, TR 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 5990 1734 901 UNINET, MX 3816 1311 787 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 995 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 569 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 28343 321 63 100 UNIFIQUE TELECOMUNICACOES SA, BR 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 655 239 194 LINKdotNET-AS, EG 36992 439 644 278 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 206 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 163 28 3 RENU, UG 37282 159 22 47 MAINONE, NG 37492 156 471 44 ORANGE-, TN 37054 154 12 90 Telecom-Malagasy, MG 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 9729 11350 3396 AMAZON-02, US 9808 9648 8739 54 CHINAMOBILE-CN China Mobile Communicati 8151 5990 1734 901 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3191 54916 2443 DNIC-AS-00749, US 367 2930 3633 1397 DNIC-ASBLK-00306-00371, US 11776 1858 256 220 ATLANTICBB-JOHNSTOWN, US 209 1700 4898 318 CENTURYLINK-US-LEGACY-QWEST, US 4155 1540 99 1150 USDA-1, US 56047 1477 188 34 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 9594 CHINAMOBILE-CN China Mobile Communications Grou 8151 5990 5089 UNINET, MX 39891 4758 4698 ALJAWWALSTC-AS, SA 11776 1858 1638 ATLANTICBB-JOHNSTOWN, US 367 2930 1533 DNIC-ASBLK-00306-00371, US 56047 1477 1443 CMNET-HUNAN-AP China Mobile communications corp 209 1700 1382 CENTURYLINK-US-LEGACY-QWEST, US 56041 1442 1369 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1470 1360 CMNET-JIANGSU-AP China Mobile communications co 3816 1311 1113 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 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.244.0/23 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 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 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 /9:4 /10:14 /11:25 /12:74 /13:115 /14:336 /15:674 /16:5278 /17:2505 /18:2588 /19:5403 /20:8614 /21:11011 /22:19756 /23:20432 /24:107084 /25:81 /26:51 /27:74 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 3188 5990 UNINET, MX 16509 2036 9729 AMAZON-02, US 209 958 1700 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1858 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 689 828 BRSPD-PUBLIC, US 6147 686 1088 Telefonica del Peru S.A.A., PE 8376 562 722 Jordan Data Communications, JO 7979 446 997 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:479 3:283 5:1062 6:148 7:5 8:622 11:171 12:257 13:323 14:100 15:281 16:174 17:6 18:698 20:33 21:4 22:188 23:1807 24:404 25:2 27:17 29:19 31:144 32:1 34:5 35:53 36:1120 37:495 38:818 39:523 40:8 41:571 42:20 43:185 44:28 45:2310 46:540 47:99 49:11 50:250 51:469 52:1352 54:272 55:972 57:15 58:6 59:34 60:19 61:62 62:329 63:468 64:1438 65:795 66:1218 67:675 68:164 69:715 70:147 71:190 72:372 74:726 75:389 76:208 77:258 78:493 79:161 80:204 81:186 82:173 83:96 84:185 85:320 86:146 87:145 88:121 89:449 90:98 91:504 92:393 93:766 94:523 95:1079 96:165 97:32 98:125 99:144 100:22 101:25 102:292 103:1044 104:687 105:28 106:3 107:219 108:297 109:224 110:29 111:1753 112:447 113:40 114:32 115:11 116:31 117:946 118:52 119:96 120:1092 121:31 122:80 123:20 124:57 125:12 128:390 129:321 130:471 131:777 132:501 133:264 134:330 135:65 136:376 137:453 138:741 139:398 140:575 141:326 142:694 143:582 144:321 145:59 146:456 147:321 148:610 149:509 150:290 151:492 152:369 153:117 154:490 155:659 156:362 157:227 158:318 159:528 160:330 161:416 162:713 163:294 164:616 165:365 166:102 167:385 168:971 169:149 170:1254 171:62 172:895 173:616 174:105 175:46 176:387 177:767 178:327 179:563 180:43 181:998 182:20 183:855 184:199 185:2065 186:998 187:890 188:492 189:1216 190:2987 191:192 192:3677 193:1173 194:763 195:557 196:455 197:446 198:1907 199:3345 200:2742 201:2607 202:943 203:604 204:1770 205:1649 206:1129 207:1062 208:977 209:1411 210:289 211:422 212:685 213:535 214:1047 215:43 216:1686 217:297 218:515 219:19 220:30 221:300 222:18 223:628 End of report