IPv4 R&E Routing Table Report 20:15 GMT Wed 13 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: 183628 Prefixes after maximum aggregation (per Origin AS): 80016 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100855 Number of IPv4 prefixes with a valid ROA: 69223 Number of IPv4 prefixes with an invalid ROA: 81 Number of IPv4 prefixes with no ROA: 114324 Total ASes present in the Internet Routing Table: 15458 Prefixes per ASN: 11.88 Origin-only ASes present in the Internet Routing Table: 13354 Origin ASes announcing only one prefix: 6099 Transit ASes present in the Internet Routing Table: 2104 Transit-only ASes present in the Internet Routing Table: 573 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: 209 Number of instances of unregistered ASNs: 209 Number of 32-bit ASNs allocated by the RIRs: 43812 Number of 32-bit ASNs visible in the Routing Table: 5574 Prefixes from 32-bit ASNs in the Routing Table: 18422 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: 83 Number of addresses announced to Internet: 1035075513 Equivalent to 61 /8s, 177 /16s and 255 /24s Percentage of available address space announced: 28.0 Percentage of allocated address space announced: 28.0 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: 53879 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28742 Total APNIC prefixes after maximum aggregation: 6466 APNIC Deaggregation factor: 4.45 Prefixes being announced from the APNIC address blocks: 28451 Unique aggregates announced from the APNIC address blocks: 7482 APNIC Region origin ASes present in the Internet Routing Table: 1091 APNIC Prefixes per ASN: 26.08 APNIC Region origin ASes announcing only one prefix: 445 APNIC Region transit ASes present in the Internet Routing Table: 179 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: 469 Number of APNIC addresses announced to Internet: 171085960 Equivalent to 10 /8s, 50 /16s and 144 /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: 82141 Total ARIN prefixes after maximum aggregation: 44627 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81119 Unique aggregates announced from the ARIN address blocks: 50494 ARIN Region origin ASes present in the Internet Routing Table: 7182 ARIN Prefixes per ASN: 11.29 ARIN Region origin ASes announcing only one prefix: 3065 ARIN Region transit ASes present in the Internet Routing Table: 640 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: 1459 Number of ARIN addresses announced to Internet: 605442657 Equivalent to 36 /8s, 22 /16s and 82 /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: 35268 Total RIPE prefixes after maximum aggregation: 16682 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35616 Unique aggregates announced from the RIPE address blocks: 23705 RIPE Region origin ASes present in the Internet Routing Table: 3271 RIPE Prefixes per ASN: 10.89 RIPE Region origin ASes announcing only one prefix: 1401 RIPE Region transit ASes present in the Internet Routing Table: 509 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: 1208 Number of RIPE addresses announced to Internet: 155654352 Equivalent to 9 /8s, 71 /16s and 24 /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: 32426 Total LACNIC prefixes after maximum aggregation: 10172 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 32190 Unique aggregates announced from the LACNIC address blocks: 15816 LACNIC Region origin ASes present in the Internet Routing Table: 3038 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 1095 LACNIC Region transit ASes present in the Internet Routing Table: 617 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2326 Number of LACNIC addresses announced to Internet: 73938944 Equivalent to 4 /8s, 104 /16s and 56 /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: 4842 Total AfriNIC prefixes after maximum aggregation: 1895 AfriNIC Deaggregation factor: 2.56 Prefixes being announced from the AfriNIC address blocks: 6169 Unique aggregates announced from the AfriNIC address blocks: 3277 AfriNIC Region origin ASes present in the Internet Routing Table: 211 AfriNIC Prefixes per ASN: 29.24 AfriNIC Region origin ASes announcing only one prefix: 93 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 112 Number of AfriNIC addresses announced to Internet: 28904960 Equivalent to 1 /8s, 185 /16s and 14 /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 9627 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1474 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1436 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 434 488 105 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 9704 11331 3345 AMAZON-02, US 749 3200 54920 2452 DNIC-AS-00749, US 367 2919 3631 1408 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1469 95 1111 USDA-1, US 5972 1438 394 639 DNIC-ASBLK-05800-06055, US 7979 997 66 198 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 861 405 794 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 1299 110 1059 AKAMAI-ASN1, NL 3215 892 4810 294 France Telecom - Orange, FR 25019 818 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 8452 606 1841 11 TE-AS TE-AS, EG 51167 439 81 186 CONTABO, DE 35819 428 435 76 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 415 60 341 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 5456 1572 869 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 994 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 570 2941 45 TELEFONICA BRASIL S.A, BR 10620 513 69 429 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 14117 351 61 13 Telefonica del Sur S.A., CL 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 675 239 188 LINKdotNET-AS, EG 36992 538 691 304 ETISALAT-MISR, EG 29571 479 35 246 ORANGE-COTE-IVOIRE, CI 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 207 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 159 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 TUNISIANA, TN 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 9704 11331 3345 AMAZON-02, US 9808 9627 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5456 1572 869 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3200 54920 2452 DNIC-AS-00749, US 367 2919 3631 1408 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 56047 1474 188 34 CMNET-HUNAN-AP China Mobile communicati 4155 1469 95 1111 USDA-1, 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 9627 9576 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5456 4587 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2919 1511 DNIC-ASBLK-00306-00371, US 56047 1474 1440 CMNET-HUNAN-AP China Mobile communications corp 209 1705 1385 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1450 1340 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 /11:27 /12:73 /13:111 /14:335 /15:671 /16:5378 /17:2510 /18:2586 /19:5348 /20:8559 /21:10786 /22:19659 /23:20174 /24:107119 /25:81 /26:51 /27:72 /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 2980 5456 UNINET, MX 16509 2037 9704 AMAZON-02, US 209 962 1705 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1856 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 2:470 3:278 5:1081 6:148 7:5 8:621 11:171 12:256 13:321 14:99 15:281 16:174 17:6 18:698 20:33 21:4 22:188 23:1819 24:397 25:1 27:17 29:19 31:167 32:1 34:6 35:54 36:1115 37:553 38:845 39:523 40:8 41:567 42:21 43:177 44:29 45:2268 46:570 47:100 49:10 50:251 51:465 52:1355 54:272 55:884 57:16 58:6 59:33 60:19 61:63 62:338 63:465 64:1432 65:797 66:1216 67:670 68:164 69:711 70:147 71:191 72:371 74:722 75:389 76:207 77:266 78:532 79:159 80:195 81:190 82:171 83:99 84:184 85:317 86:146 87:147 88:122 89:472 90:98 91:504 92:426 93:773 94:485 95:1086 96:165 97:31 98:124 99:144 100:21 101:25 102:179 103:1036 104:683 105:146 106:2 107:219 108:296 109:227 110:29 111:1750 112:447 113:40 114:32 115:11 116:32 117:944 118:51 119:95 120:1089 121:31 122:81 123:20 124:57 125:13 128:381 129:279 130:511 131:770 132:502 133:264 134:329 135:67 136:358 137:450 138:725 139:402 140:573 141:322 142:689 143:575 144:322 145:62 146:459 147:320 148:613 149:510 150:342 151:540 152:367 153:118 154:438 155:667 156:363 157:224 158:317 159:530 160:623 161:418 162:690 163:294 164:615 165:364 166:99 167:376 168:957 169:152 170:1216 171:63 172:888 173:618 174:108 175:46 176:404 177:709 178:336 179:487 180:43 181:1000 182:12 183:853 184:197 185:2182 186:1015 187:795 188:485 189:1131 190:2987 191:182 192:3689 193:1205 194:777 195:554 196:438 197:453 198:1934 199:3280 200:2734 201:2596 202:923 203:604 204:1743 205:1654 206:1117 207:1046 208:980 209:1409 210:288 211:422 212:693 213:562 214:1054 215:37 216:1698 217:309 218:515 219:19 220:30 221:294 222:18 223:625 End of report