IPv4 R&E Routing Table Report 20:15 GMT Sun 03 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: 183442 Prefixes after maximum aggregation (per Origin AS): 80140 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100873 Number of IPv4 prefixes with a valid ROA: 69242 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 114177 Total ASes present in the Internet Routing Table: 15388 Prefixes per ASN: 11.92 Origin-only ASes present in the Internet Routing Table: 13297 Origin ASes announcing only one prefix: 6048 Transit ASes present in the Internet Routing Table: 2091 Transit-only ASes present in the Internet Routing Table: 575 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 ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 220 Number of instances of unregistered ASNs: 220 Number of 32-bit ASNs allocated by the RIRs: 43760 Number of 32-bit ASNs visible in the Routing Table: 5528 Prefixes from 32-bit ASNs in the Routing Table: 18435 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: 82 Number of addresses announced to Internet: 1035431097 Equivalent to 61 /8s, 183 /16s and 108 /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: 53968 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28663 Total APNIC prefixes after maximum aggregation: 6488 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28394 Unique aggregates announced from the APNIC address blocks: 7491 APNIC Region origin ASes present in the Internet Routing Table: 1065 APNIC Prefixes per ASN: 26.66 APNIC Region origin ASes announcing only one prefix: 431 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: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 455 Number of APNIC addresses announced to Internet: 170965896 Equivalent to 10 /8s, 48 /16s and 187 /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: 82256 Total ARIN prefixes after maximum aggregation: 44825 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81108 Unique aggregates announced from the ARIN address blocks: 50458 ARIN Region origin ASes present in the Internet Routing Table: 7185 ARIN Prefixes per ASN: 11.29 ARIN Region origin ASes announcing only one prefix: 3070 ARIN Region transit ASes present in the Internet Routing Table: 641 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: 1465 Number of ARIN addresses announced to Internet: 605375841 Equivalent to 36 /8s, 21 /16s and 77 /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: 35177 Total RIPE prefixes after maximum aggregation: 16549 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35752 Unique aggregates announced from the RIPE address blocks: 23847 RIPE Region origin ASes present in the Internet Routing Table: 3259 RIPE Prefixes per ASN: 10.97 RIPE Region origin ASes announcing only one prefix: 1391 RIPE Region transit ASes present in the Internet Routing Table: 506 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: 1197 Number of RIPE addresses announced to Internet: 155918288 Equivalent to 9 /8s, 75 /16s and 31 /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: 32196 Total LACNIC prefixes after maximum aggregation: 10183 LACNIC Deaggregation factor: 3.16 Prefixes being announced from the LACNIC address blocks: 31936 Unique aggregates announced from the LACNIC address blocks: 15772 LACNIC Region origin ASes present in the Internet Routing Table: 3010 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 1071 LACNIC Region transit ASes present in the Internet Routing Table: 602 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2308 Number of LACNIC addresses announced to Internet: 74067456 Equivalent to 4 /8s, 106 /16s and 46 /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: 4930 Total AfriNIC prefixes after maximum aggregation: 1913 AfriNIC Deaggregation factor: 2.58 Prefixes being announced from the AfriNIC address blocks: 6170 Unique aggregates announced from the AfriNIC address blocks: 3225 AfriNIC Region origin ASes present in the Internet Routing Table: 203 AfriNIC Prefixes per ASN: 30.39 AfriNIC Region origin ASes announcing only one prefix: 85 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: 103 Number of AfriNIC addresses announced to Internet: 29056000 Equivalent to 1 /8s, 187 /16s and 92 /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 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1470 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 598 2161 463 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 9689 11264 3342 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2904 3646 1403 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1448 394 645 DNIC-ASBLK-05800-06055, US 4155 1310 85 1023 USDA-1, US 7979 993 66 197 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 921 429 848 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 1323 111 1074 AKAMAI-ASN1, NL 3215 899 4811 303 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 723 60 22 Jordan Data Communications, JO 8452 580 1841 11 TE-AS TE-AS, EG 35819 474 481 50 MOBILY-AS Etihad Etisalat Company Mobil 51167 436 79 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 29580 414 46 174 A1BG_RSG A1 EAD, BG 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 5355 1548 928 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 986 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 515 69 430 Telmex Colombia S.A., CO 13999 482 70 208 Mega Cable, S.A. de C.V., MX 28343 307 58 93 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 685 240 188 LINKdotNET-AS, EG 29571 476 35 243 ORANGE-COTE-IVOIRE, CI 36992 475 671 292 ETISALAT-MISR, EG 2018 376 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 203 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 162 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 9689 11264 3342 AMAZON-02, US 9808 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5355 1548 928 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2904 3646 1403 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 56047 1470 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 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 9625 9574 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5355 4427 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2904 1501 DNIC-ASBLK-00306-00371, US 56047 1470 1436 CMNET-HUNAN-AP China Mobile communications corp 209 1707 1386 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 /15:672 /16:5372 /17:2528 /18:2598 /19:5369 /20:8635 /21:10779 /22:19602 /23:20208 /24:106847 /25:81 /26:51 /27:66 /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 2943 5355 UNINET, MX 16509 2049 9689 AMAZON-02, US 209 963 1707 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1856 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 685 824 BRSPD-PUBLIC, US 8376 566 723 Jordan Data Communications, JO 7979 446 993 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 2:455 3:276 5:1054 6:148 7:5 8:623 11:171 12:257 13:329 14:99 15:280 16:174 17:6 18:690 20:30 21:4 22:188 23:1836 24:393 25:2 27:19 29:19 31:151 32:1 34:3 35:53 36:1114 37:558 38:849 39:523 40:8 41:563 42:22 43:181 44:33 45:2273 46:568 47:100 49:10 50:246 51:473 52:1357 54:275 55:857 57:16 58:6 59:34 60:19 61:64 62:351 63:463 64:1505 65:820 66:1255 67:675 68:165 69:715 70:149 71:191 72:359 74:719 75:390 76:206 77:268 78:532 79:163 80:190 81:186 82:172 83:94 84:182 85:314 86:150 87:145 88:102 89:475 90:98 91:523 92:391 93:777 94:493 95:1086 96:165 97:30 98:124 99:146 100:21 101:25 102:180 103:997 104:673 105:130 106:2 107:220 108:296 109:214 110:28 111:1747 112:447 113:39 114:32 115:11 116:31 117:946 118:51 119:94 120:1089 121:31 122:82 123:20 124:57 125:12 128:435 129:280 130:509 131:771 132:506 133:264 134:324 135:68 136:355 137:442 138:717 139:403 140:566 141:324 142:690 143:578 144:320 145:67 146:469 147:319 148:578 149:505 150:283 151:540 152:373 153:118 154:441 155:670 156:310 157:232 158:314 159:526 160:628 161:419 162:693 163:288 164:617 165:364 166:103 167:377 168:953 169:153 170:1201 171:62 172:892 173:616 174:107 175:44 176:412 177:717 178:339 179:489 180:43 181:1004 182:10 183:853 184:202 185:2189 186:1057 187:765 188:487 189:1075 190:2966 191:210 192:3670 193:1223 194:772 195:559 196:476 197:492 198:1898 199:3117 200:2732 201:2570 202:905 203:598 204:1737 205:1645 206:1130 207:1047 208:986 209:1390 210:292 211:422 212:711 213:589 214:1060 215:37 216:1683 217:304 218:515 219:19 220:31 221:294 222:18 223:626 End of report