IPv4 R&E Routing Table Report 20:15 GMT Thu 23 May, 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: 192103 Prefixes after maximum aggregation (per Origin AS): 85443 Deaggregation factor: 2.25 Unique aggregates announced (without unneeded subnets): 106578 Number of IPv4 prefixes with a valid ROA: 76460 Number of IPv4 prefixes with an invalid ROA: 16 Number of IPv4 prefixes with no ROA: 115627 Total ASes present in the Internet Routing Table: 16083 Prefixes per ASN: 11.94 Origin-only ASes present in the Internet Routing Table: 13886 Origin ASes announcing only one prefix: 6395 Transit ASes present in the Internet Routing Table: 2197 Transit-only ASes present in the Internet Routing Table: 590 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 28 Max AS path prepend of ASN ( 28683) 23 Prefixes from unregistered ASNs in the Routing Table: 253 Number of instances of unregistered ASNs: 253 Number of 32-bit ASNs allocated by the RIRs: 44529 Number of 32-bit ASNs visible in the Routing Table: 5768 Prefixes from 32-bit ASNs in the Routing Table: 19993 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: 104 Number of addresses announced to Internet: 1121953693 Equivalent to 66 /8s, 223 /16s and 167 /24s Percentage of available address space announced: 30.3 Percentage of allocated address space announced: 30.3 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: 56771 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30583 Total APNIC prefixes after maximum aggregation: 7316 APNIC Deaggregation factor: 4.18 Prefixes being announced from the APNIC address blocks: 30017 Unique aggregates announced from the APNIC address blocks: 8280 APNIC Region origin ASes present in the Internet Routing Table: 1169 APNIC Prefixes per ASN: 25.68 APNIC Region origin ASes announcing only one prefix: 482 APNIC Region transit ASes present in the Internet Routing Table: 205 Average APNIC Region AS path length visible: 7.2 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 519 Number of APNIC addresses announced to Internet: 201707372 Equivalent to 12 /8s, 5 /16s and 207 /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: 88772 Total ARIN prefixes after maximum aggregation: 48530 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 87444 Unique aggregates announced from the ARIN address blocks: 54450 ARIN Region origin ASes present in the Internet Routing Table: 7475 ARIN Prefixes per ASN: 11.70 ARIN Region origin ASes announcing only one prefix: 3238 ARIN Region transit ASes present in the Internet Routing Table: 678 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: 1550 Number of ARIN addresses announced to Internet: 655991905 Equivalent to 39 /8s, 25 /16s and 164 /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: 37490 Total RIPE prefixes after maximum aggregation: 17839 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 38221 Unique aggregates announced from the RIPE address blocks: 25794 RIPE Region origin ASes present in the Internet Routing Table: 3550 RIPE Prefixes per ASN: 10.77 RIPE Region origin ASes announcing only one prefix: 1510 RIPE Region transit ASes present in the Internet Routing Table: 538 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1303 Number of RIPE addresses announced to Internet: 163457232 Equivalent to 9 /8s, 190 /16s and 40 /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: 30282 Total LACNIC prefixes after maximum aggregation: 9628 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 29976 Unique aggregates announced from the LACNIC address blocks: 14753 LACNIC Region origin ASes present in the Internet Routing Table: 2968 LACNIC Prefixes per ASN: 10.10 LACNIC Region origin ASes announcing only one prefix: 1071 LACNIC Region transit ASes present in the Internet Routing Table: 599 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: 2269 Number of LACNIC addresses announced to Internet: 72649728 Equivalent to 4 /8s, 84 /16s and 140 /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: 4723 Total AfriNIC prefixes after maximum aggregation: 1949 AfriNIC Deaggregation factor: 2.42 Prefixes being announced from the AfriNIC address blocks: 6341 Unique aggregates announced from the AfriNIC address blocks: 3204 AfriNIC Region origin ASes present in the Internet Routing Table: 235 AfriNIC Prefixes per ASN: 26.98 AfriNIC Region origin ASes announcing only one prefix: 94 AfriNIC Region transit ASes present in the Internet Routing Table: 72 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 27 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 127 Number of AfriNIC addresses announced to Internet: 28063744 Equivalent to 1 /8s, 172 /16s and 56 /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 9650 8742 61 CHINAMOBILE-CN China Mobile Communicati 56047 1505 192 47 CMNET-HUNAN-AP China Mobile communicati 56046 1481 874 109 CMNET-JIANGSU-AP China Mobile communica 56041 1448 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 790 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 72 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 721 10640 154 GIGAINFRA SoftBank Corp., JP 2907 601 2162 465 SINET-AS Research Organization of Infor 56040 491 490 109 CMNET-GUANGDONG-AP China Mobile communi 24445 478 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 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 9947 11381 3545 AMAZON-02, US 749 3224 54904 2476 DNIC-AS-00749, US 367 2780 3431 1301 DNIC-ASBLK-00306-00371, US 11776 1861 256 225 ATLANTICBB-JOHNSTOWN, US 4155 1816 121 1250 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 892 CABLEONE, US 5972 1340 387 608 DNIC-ASBLK-05800-06055, US 7979 990 64 201 SERVERS-COM, US 855 954 255 82 CANET-ASN-4, CA 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 105 1048 AKAMAI-ASN1, NL 3215 926 4906 284 France Telecom - Orange, FR 25019 819 1044 145 SAUDINETSTC-AS, SA 8376 710 60 21 Jordan Data Communications, JO 8452 622 1841 11 TE-AS TE-AS, EG 51167 523 100 222 CONTABO, DE 35819 436 436 74 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, TR 57878 381 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 5352 1497 757 UNINET, MX 3816 1321 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1083 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 754 1126 30 TELEFONICA BRASIL S.A, BR 26599 548 2827 83 TELEFONICA BRASIL S.A, BR 13999 491 66 213 Mega Cable, S.A. de C.V., MX 10620 415 53 344 Telmex Colombia S.A., CO 28006 238 38 163 CORPORACION NACIONAL DE TELECOMUNICACIO 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 585 204 235 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 29571 306 46 113 ORANGE-COTE-IVOIRE, CI 36914 259 82 3 KENET-AS, KE 36935 258 64 79 Vodafone-, EG 36992 197 258 168 ETISALAT-MISR, EG 37492 151 471 44 ORANGE-, TN 24835 149 150 88 RAYA-AS, EG 37693 146 595 51 TUNISIANA, TN 24757 137 36 50 EthioNet-AS, ET 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 9947 11381 3545 AMAZON-02, US 9808 9650 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5352 1497 757 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3224 54904 2476 DNIC-AS-00749, US 367 2780 3431 1301 DNIC-ASBLK-00306-00371, US 11776 1861 256 225 ATLANTICBB-JOHNSTOWN, US 4155 1816 121 1250 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1597 105 892 CABLEONE, 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 9650 9589 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5352 4595 UNINET, MX 11776 1861 1636 ATLANTICBB-JOHNSTOWN, US 367 2780 1479 DNIC-ASBLK-00306-00371, US 56047 1505 1458 CMNET-HUNAN-AP China Mobile communications corp 209 1699 1388 CENTURYLINK-US-LEGACY-QWEST, US 56041 1448 1375 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1481 1372 CMNET-JIANGSU-AP China Mobile communications co 3816 1321 1126 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 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 32282 UNALLOCATED 12.162.231.0/24 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 /12:93 /13:124 /14:359 /15:699 /16:5962 /17:2495 /18:2591 /19:5462 /20:8781 /21:10888 /22:19847 /23:20781 /24:113722 /25:73 /26:47 /27:65 /28:18 /29:16 /30:12 /31:0 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2897 5352 UNINET, MX 16509 2125 9947 AMAZON-02, US 11492 1207 1597 CABLEONE, US 209 961 1699 CENTURYLINK-US-LEGACY-QWEST, US 11776 892 1861 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 744 885 BRSPD-PUBLIC, US 6147 680 1083 Telefonica del Peru S.A.A., PE 8376 555 710 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:12 2:383 3:345 5:1124 6:148 7:5 8:629 11:171 12:664 13:301 14:121 15:283 16:175 17:6 18:736 20:33 21:4 22:188 23:1895 24:738 25:2 27:47 29:19 31:208 32:1 34:11 35:57 36:1175 37:446 38:877 39:524 40:11 41:763 42:13 43:197 44:34 45:2532 46:644 47:97 49:9 50:287 51:479 52:1367 54:275 55:999 57:14 58:7 59:38 60:19 61:63 62:342 63:506 64:1469 65:820 66:1251 67:834 68:176 69:842 70:142 71:197 72:468 74:731 75:390 76:210 77:326 78:579 79:188 80:229 81:189 82:188 83:123 84:200 85:352 86:171 87:164 88:221 89:573 90:98 91:618 92:433 93:823 94:524 95:1108 96:372 97:34 98:138 99:149 100:23 101:21 102:222 103:1144 104:761 105:142 106:3 107:217 108:310 109:310 110:41 111:1789 112:464 113:47 114:33 115:15 116:36 117:971 118:72 119:108 120:1087 121:39 122:87 123:21 124:59 125:12 128:357 129:282 130:507 131:805 132:513 133:195 134:349 135:90 136:363 137:432 138:763 139:403 140:596 141:319 142:704 143:604 144:333 145:67 146:505 147:389 148:617 149:490 150:292 151:572 152:576 153:118 154:617 155:690 156:449 157:289 158:319 159:692 160:720 161:477 162:695 163:293 164:651 165:400 166:103 167:392 168:933 169:152 170:1245 171:66 172:908 173:816 174:191 175:34 176:419 177:722 178:363 179:516 180:55 181:1037 182:18 183:832 184:311 185:2478 186:852 187:780 188:649 189:1104 190:2772 191:243 192:3924 193:1314 194:869 195:583 196:465 197:398 198:2007 199:3669 200:2491 201:2404 202:1082 203:642 204:1785 205:1675 206:1176 207:1159 208:934 209:1412 210:340 211:436 212:714 213:585 214:1033 215:41 216:1790 217:341 218:525 219:24 220:29 221:302 222:20 223:641 End of report