IPv4 R&E Routing Table Report 20:15 GMT Sat 25 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: 191709 Prefixes after maximum aggregation (per Origin AS): 84944 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 105905 Number of IPv4 prefixes with a valid ROA: 76102 Number of IPv4 prefixes with an invalid ROA: 16 Number of IPv4 prefixes with no ROA: 115591 Total ASes present in the Internet Routing Table: 16034 Prefixes per ASN: 11.96 Origin-only ASes present in the Internet Routing Table: 13838 Origin ASes announcing only one prefix: 6377 Transit ASes present in the Internet Routing Table: 2196 Transit-only ASes present in the Internet Routing Table: 586 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 28 Max AS path prepend of ASN ( 28683) 23 Prefixes from unregistered ASNs in the Routing Table: 249 Number of instances of unregistered ASNs: 249 Number of 32-bit ASNs allocated by the RIRs: 44572 Number of 32-bit ASNs visible in the Routing Table: 5749 Prefixes from 32-bit ASNs in the Routing Table: 20063 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: 101 Number of addresses announced to Internet: 1121346461 Equivalent to 66 /8s, 214 /16s and 99 /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: 56353 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30468 Total APNIC prefixes after maximum aggregation: 7278 APNIC Deaggregation factor: 4.19 Prefixes being announced from the APNIC address blocks: 29957 Unique aggregates announced from the APNIC address blocks: 8257 APNIC Region origin ASes present in the Internet Routing Table: 1170 APNIC Prefixes per ASN: 25.60 APNIC Region origin ASes announcing only one prefix: 481 APNIC Region transit ASes present in the Internet Routing Table: 204 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: 518 Number of APNIC addresses announced to Internet: 201473132 Equivalent to 12 /8s, 2 /16s and 60 /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: 88817 Total ARIN prefixes after maximum aggregation: 48499 ARIN Deaggregation factor: 1.83 Prefixes being announced from the ARIN address blocks: 87492 Unique aggregates announced from the ARIN address blocks: 54463 ARIN Region origin ASes present in the Internet Routing Table: 7481 ARIN Prefixes per ASN: 11.70 ARIN Region origin ASes announcing only one prefix: 3244 ARIN Region transit ASes present in the Internet Routing Table: 680 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: 1557 Number of ARIN addresses announced to Internet: 655937377 Equivalent to 39 /8s, 24 /16s and 207 /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: 37099 Total RIPE prefixes after maximum aggregation: 17535 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 37836 Unique aggregates announced from the RIPE address blocks: 25391 RIPE Region origin ASes present in the Internet Routing Table: 3527 RIPE Prefixes per ASN: 10.73 RIPE Region origin ASes announcing only one prefix: 1502 RIPE Region transit ASes present in the Internet Routing Table: 547 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: 1304 Number of RIPE addresses announced to Internet: 163302096 Equivalent to 9 /8s, 187 /16s and 202 /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: 30494 Total LACNIC prefixes after maximum aggregation: 9578 LACNIC Deaggregation factor: 3.18 Prefixes being announced from the LACNIC address blocks: 30170 Unique aggregates announced from the LACNIC address blocks: 14674 LACNIC Region origin ASes present in the Internet Routing Table: 2950 LACNIC Prefixes per ASN: 10.23 LACNIC Region origin ASes announcing only one prefix: 1059 LACNIC Region transit ASes present in the Internet Routing Table: 588 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: 2250 Number of LACNIC addresses announced to Internet: 72943616 Equivalent to 4 /8s, 89 /16s and 8 /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: 4582 Total AfriNIC prefixes after maximum aggregation: 1875 AfriNIC Deaggregation factor: 2.44 Prefixes being announced from the AfriNIC address blocks: 6153 Unique aggregates announced from the AfriNIC address blocks: 3024 AfriNIC Region origin ASes present in the Internet Routing Table: 224 AfriNIC Prefixes per ASN: 27.47 AfriNIC Region origin ASes announcing only one prefix: 91 AfriNIC Region transit ASes present in the Internet Routing Table: 66 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: 120 Number of AfriNIC addresses announced to Internet: 27606784 Equivalent to 1 /8s, 165 /16s and 63 /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 9651 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 9957 11384 3528 AMAZON-02, US 749 3223 54904 2475 DNIC-AS-00749, US 367 2763 3393 1287 DNIC-ASBLK-00306-00371, US 11776 1861 256 225 ATLANTICBB-JOHNSTOWN, US 4155 1829 117 1253 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1598 105 890 CABLEONE, US 5972 1331 386 612 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 1294 105 1045 AKAMAI-ASN1, NL 3215 926 4906 284 France Telecom - Orange, FR 25019 821 1044 145 SAUDINETSTC-AS, SA 8376 707 60 21 Jordan Data Communications, JO 8452 622 1841 11 TE-AS TE-AS, EG 51167 523 100 222 CONTABO, DE 35819 424 418 70 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 5576 1593 752 UNINET, MX 3816 1321 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1084 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 549 2827 83 TELEFONICA BRASIL S.A, BR 13999 493 68 214 Mega Cable, S.A. de C.V., MX 10620 415 53 344 Telmex Colombia S.A., CO 27843 229 20 33 WIN EMPRESAS S.A.C., PE 22047 228 342 16 VTR BANDA ANCHA 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 604 208 247 LINKdotNET-AS, EG 2018 380 319 71 TENET-1, ZA 29571 306 44 120 ORANGE-COTE-IVOIRE, CI 36935 258 64 79 Vodafone-, EG 36914 254 82 3 KENET-AS, KE 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 135 36 51 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 9957 11384 3528 AMAZON-02, US 9808 9651 8742 61 CHINAMOBILE-CN China Mobile Communicati 8151 5576 1593 752 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3223 54904 2475 DNIC-AS-00749, US 367 2763 3393 1287 DNIC-ASBLK-00306-00371, US 11776 1861 256 225 ATLANTICBB-JOHNSTOWN, US 4155 1829 117 1253 USDA-1, US 209 1699 4898 311 CENTURYLINK-US-LEGACY-QWEST, US 11492 1598 105 890 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 9651 9590 CHINAMOBILE-CN China Mobile Communications Grou 8151 5576 4824 UNINET, MX 39891 4758 4698 ALJAWWALSTC-AS, SA 11776 1861 1636 ATLANTICBB-JOHNSTOWN, US 367 2763 1476 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 41.57.126.0/24 Origin: 37442 RESERVED, ZZ 41.57.126.0/24 Transit: 37204 TELONE, ZW 41.57.127.0/24 Origin: 37442 RESERVED, ZZ 41.57.127.0/24 Transit: 37204 TELONE, ZW 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 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 /9:6 /10:17 /11:30 /12:93 /13:124 /14:358 /15:698 /16:5965 /17:2489 /18:2591 /19:5482 /20:8821 /21:10935 /22:19817 /23:20732 /24:113303 /25:73 /26:48 /27:66 /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 2963 5576 UNINET, MX 16509 2125 9957 AMAZON-02, US 11492 1208 1598 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 747 888 BRSPD-PUBLIC, US 6147 681 1084 Telefonica del Peru S.A.A., PE 8376 552 707 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:11 2:382 3:344 5:1110 6:148 7:5 8:632 11:171 12:665 13:301 14:133 15:283 16:175 17:6 18:738 20:33 21:4 22:188 23:1889 24:737 25:2 27:49 29:19 31:188 32:1 34:10 35:57 36:1177 37:443 38:889 39:524 40:11 41:678 42:13 43:194 44:35 45:2475 46:623 47:98 49:10 50:299 51:481 52:1371 54:276 55:975 57:14 58:7 59:38 60:19 61:62 62:343 63:508 64:1473 65:821 66:1253 67:835 68:177 69:862 70:142 71:196 72:470 74:732 75:390 76:210 77:326 78:579 79:188 80:215 81:201 82:192 83:129 84:195 85:351 86:162 87:162 88:154 89:534 90:98 91:622 92:427 93:809 94:512 95:1107 96:372 97:34 98:138 99:149 100:23 101:21 102:226 103:1157 104:764 105:142 106:3 107:198 108:310 109:278 110:41 111:1791 112:464 113:46 114:33 115:15 116:36 117:971 118:72 119:108 120:1087 121:39 122:86 123:21 124:59 125:13 128:357 129:281 130:508 131:812 132:511 133:195 134:348 135:90 136:370 137:431 138:770 139:403 140:599 141:327 142:704 143:599 144:332 145:65 146:502 147:390 148:626 149:494 150:292 151:570 152:576 153:118 154:586 155:689 156:447 157:292 158:317 159:692 160:722 161:481 162:701 163:290 164:649 165:399 166:103 167:393 168:914 169:152 170:1256 171:65 172:913 173:817 174:194 175:34 176:421 177:713 178:340 179:513 180:54 181:1007 182:21 183:832 184:311 185:2477 186:816 187:929 188:565 189:1135 190:2721 191:244 192:3928 193:1307 194:870 195:578 196:448 197:392 198:2009 199:3685 200:2481 201:2384 202:1069 203:639 204:1788 205:1682 206:1201 207:1161 208:935 209:1418 210:337 211:431 212:703 213:581 214:1025 215:42 216:1788 217:340 218:525 219:24 220:29 221:302 222:20 223:641 End of report