IPv4 R&E Routing Table Report 20:15 GMT Thu 05 Jun, 2025 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: 264936 Prefixes after maximum aggregation (per Origin AS): 116115 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 135919 Number of IPv4 prefixes with a valid ROA: 119306 Number of IPv4 prefixes with an invalid ROA: 40 Number of IPv4 prefixes with no ROA: 145590 Total ASes present in the Internet Routing Table: 20031 Prefixes per ASN: 13.23 Origin-only ASes present in the Internet Routing Table: 17273 Origin ASes announcing only one prefix: 7841 Transit ASes present in the Internet Routing Table: 2758 Transit-only ASes present in the Internet Routing Table: 731 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 30 Max AS path prepend of ASN (265171) 25 Prefixes from unregistered ASNs in the Routing Table: 313 Number of instances of unregistered ASNs: 345 Number of 32-bit ASNs allocated by the RIRs: 46582 Number of 32-bit ASNs visible in the Routing Table: 7702 Prefixes from 32-bit ASNs in the Routing Table: 28770 Number of bogon 32-bit ASNs visible in the Routing Table: 74 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 106 Number of addresses announced to Internet: 1557862077 Equivalent to 92 /8s, 219 /16s and 22 /24s Percentage of available address space announced: 42.1 Percentage of allocated address space announced: 42.1 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: 83667 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 32176 Total APNIC prefixes after maximum aggregation: 7221 APNIC Deaggregation factor: 4.46 Prefixes being announced from the APNIC address blocks: 31203 Unique aggregates announced from the APNIC address blocks: 7544 APNIC Region origin ASes present in the Internet Routing Table: 1219 APNIC Prefixes per ASN: 25.60 APNIC Region origin ASes announcing only one prefix: 477 APNIC Region transit ASes present in the Internet Routing Table: 198 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 567 Number of APNIC addresses announced to Internet: 166652780 Equivalent to 9 /8s, 238 /16s and 235 /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, 131072-155961 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: 126090 Total ARIN prefixes after maximum aggregation: 65932 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 123479 Unique aggregates announced from the ARIN address blocks: 66530 ARIN Region origin ASes present in the Internet Routing Table: 9337 ARIN Prefixes per ASN: 13.22 ARIN Region origin ASes announcing only one prefix: 3899 ARIN Region transit ASes present in the Internet Routing Table: 869 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: 2187 Number of ARIN addresses announced to Internet: 960839105 Equivalent to 57 /8s, 69 /16s and 61 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 49578 Total RIPE prefixes after maximum aggregation: 26671 RIPE Deaggregation factor: 1.86 Prefixes being announced from the RIPE address blocks: 51485 Unique aggregates announced from the RIPE address blocks: 37410 RIPE Region origin ASes present in the Internet Routing Table: 4640 RIPE Prefixes per ASN: 11.10 RIPE Region origin ASes announcing only one prefix: 1952 RIPE Region transit ASes present in the Internet Routing Table: 693 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1916 Number of RIPE addresses announced to Internet: 286173520 Equivalent to 17 /8s, 14 /16s and 169 /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, 53/8, 57/8, 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: 45437 Total LACNIC prefixes after maximum aggregation: 13698 LACNIC Deaggregation factor: 3.32 Prefixes being announced from the LACNIC address blocks: 44565 Unique aggregates announced from the LACNIC address blocks: 20444 LACNIC Region origin ASes present in the Internet Routing Table: 3687 LACNIC Prefixes per ASN: 12.09 LACNIC Region origin ASes announcing only one prefix: 1400 LACNIC Region transit ASes present in the Internet Routing Table: 784 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2874 Number of LACNIC addresses announced to Internet: 97387584 Equivalent to 5 /8s, 206 /16s and 4 /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: 11342 Total AfriNIC prefixes after maximum aggregation: 2385 AfriNIC Deaggregation factor: 4.76 Prefixes being announced from the AfriNIC address blocks: 14098 Unique aggregates announced from the AfriNIC address blocks: 3886 AfriNIC Region origin ASes present in the Internet Routing Table: 292 AfriNIC Prefixes per ASN: 48.28 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 76 Average AfriNIC Region AS path length visible: 6.7 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 158 Number of AfriNIC addresses announced to Internet: 46765568 Equivalent to 2 /8s, 201 /16s and 150 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10875 8756 96 CHINAMOBILE-CN China Mobile Communication 56046 2050 811 188 CMNET-JIANGSU-AP China Mobile communicati 56041 1630 718 90 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1484 192 50 CMNET-HUNAN-AP China Mobile communication 24547 867 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24444 778 500 75 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 2907 605 2170 465 SINET-AS Research Organization of Informa 24445 522 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 517 848 138 ALIBABA-CN-NET Alibaba US Technology Co., 17676 464 8751 151 GIGAINFRA SoftBank Corp., JP 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 13628 40826 5204 AMAZON-02, US 22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3229 54783 2480 DNIC-AS-00749, US 4155 2783 211 1703 USDA-1, US 36352 2557 210 1125 AS-COLOCROSSING, US 367 2447 2913 1177 DNIC-ASBLK-00306-00371, US 7018 2058 22880 1512 ATT-INTERNET4, US 11776 1900 259 211 ATLANTICBB-JOHNSTOWN, US 6167 1894 3903 504 CELLCO-PART, US 209 1660 4889 271 CENTURYLINK-US-LEGACY-QWEST, 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 1936 130 50 ALJAWWALSTC-AS, SA 20940 1163 91 948 AKAMAI-ASN1, NL 3257 999 2081 781 GTT-BACKBONE GTT, US 3215 894 4818 289 France Telecom - Orange, FR 25019 817 1301 129 SAUDINETSTC-AS, SA 8452 791 1841 16 TE-AS TE-AS, EG 34984 672 73 403 TELLCOM-AS, TR 212238 627 45 553 CDNEXT, GB 203214 604 45 394 HULUMTELE, IQ 8376 576 53 21 Jordan Data Communications, JO 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 7402 1986 963 UNINET, MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 10620 1902 281 1294 Telmex Colombia S.A., CO 3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1198 371 22 Telefonica del Peru S.A.A., PE 26615 1034 2503 52 TIM SA, BR 18881 884 1127 31 TELEFONICA BRASIL S.A, BR 28006 647 77 297 CORPORACION NACIONAL DE TELECOMUNICACIONE 27651 628 90 34 ENTEL CHILE S.A., CL 26599 557 2884 69 TELEFONICA BRASIL S.A, 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 1463 389 16 LINKdotNET-AS, EG 29571 1342 101 66 ORANGE-COTE-IVOIRE, CI 24835 1053 535 35 RAYA-AS, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 36992 604 1228 124 ETISALAT-MISR, EG 36935 577 122 154 Vodafone-, EG 36914 553 82 3 KENET-AS, KE 36903 480 223 338 MT-MPLS, MA 37069 469 1046 15 MOBINIL, EG 2018 374 318 69 TENET-1, ZA 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 13628 40826 5204 AMAZON-02, US 9808 10875 8756 96 CHINAMOBILE-CN China Mobile Communication 8151 7402 1986 963 UNINET, MX 22773 3346 3016 166 ASN-CXA-ALL-CCI-22773-RDC, US 749 3229 54783 2480 DNIC-AS-00749, US 4155 2783 211 1703 USDA-1, US 36352 2557 210 1125 AS-COLOCROSSING, US 367 2447 2913 1177 DNIC-ASBLK-00306-00371, US 7018 2058 22880 1512 ATT-INTERNET4, US 56046 2050 811 188 CMNET-JIANGSU-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 10875 10779 CHINAMOBILE-CN China Mobile Communications Grou 8151 7402 6439 UNINET, MX 22773 3346 3180 ASN-CXA-ALL-CCI-22773-RDC, US 11830 1991 1927 Instituto Costarricense de Electricidad y Telec 39891 1936 1886 ALJAWWALSTC-AS, SA 56046 2050 1862 CMNET-JIANGSU-AP China Mobile communications co 11776 1900 1689 ATLANTICBB-JOHNSTOWN, US 56041 1630 1540 CMNET-ZHEJIANG-AP China Mobile communications c 24863 1463 1447 LINKdotNET-AS, EG 56047 1484 1434 CMNET-HUNAN-AP China Mobile communications corp 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 22542 UNALLOCATED 8.42.195.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 399953 UNALLOCATED 12.9.122.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 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 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-DATA-2914, US 41.204.224.0/24 Origin: 36911 RESERVED, ZZ 41.204.224.0/24 Transit: 328766 RESERVED, ZZ 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 /8:13 /9:10 /10:30 /11:41 /12:150 /13:209 /14:573 /15:1101 /16:7634 /17:3436 /18:4220 /19:7629 /20:12525 /21:15279 /22:27593 /23:28133 /24:156139 /25:62 /26:81 /27:33 /28:13 /29:16 /30:10 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3989 7402 UNINET, MX 22773 2498 3346 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2390 13628 AMAZON-02, US 11830 1694 1991 Instituto Costarricense de Electricidad y Telecom., CR 10620 1082 1902 Telmex Colombia S.A., CO 39891 1081 1936 ALJAWWALSTC-AS, SA 36352 1035 2557 AS-COLOCROSSING, US 19901 987 1281 BRSPD-PUBLIC, US 209 964 1660 CENTURYLINK-US-LEGACY-QWEST, US 11776 883 1900 ATLANTICBB-JOHNSTOWN, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:19 2:466 3:802 4:5 5:794 6:155 7:5 8:673 11:171 12:993 13:383 14:115 15:305 16:247 17:6 18:887 20:160 21:4 22:188 23:2582 24:642 27:22 29:19 31:515 32:9 33:1 34:7 35:180 36:1867 37:1011 38:1971 39:552 40:63 41:993 42:21 43:214 44:36 45:3615 46:972 47:92 49:19 50:351 51:387 52:1398 54:319 55:1089 56:11 57:17 58:16 59:32 60:16 61:74 62:545 63:740 64:1982 65:1094 66:1515 67:992 68:402 69:1128 70:476 71:197 72:720 74:939 75:320 76:248 77:489 78:345 79:244 80:317 81:360 82:724 83:233 84:342 85:439 86:233 87:206 88:295 89:826 90:104 91:944 92:637 93:482 94:918 95:662 96:290 97:53 98:458 99:188 100:35 101:18 102:342 103:1233 104:1664 105:207 106:3 107:1553 108:561 109:410 110:35 111:1922 112:521 113:39 114:40 115:24 116:62 117:1037 118:62 119:89 120:1274 121:43 122:67 123:76 124:57 125:25 128:490 129:399 130:681 131:940 132:571 133:211 134:494 135:112 136:598 137:505 138:918 139:439 140:704 141:458 142:1032 143:696 144:444 145:147 146:684 147:516 148:892 149:807 150:354 151:639 152:480 153:129 154:1197 155:861 156:1082 157:370 158:576 159:727 160:980 161:635 162:991 163:485 164:718 165:776 166:794 167:653 168:1151 169:159 170:1578 171:126 172:1381 173:805 174:285 175:69 176:782 177:901 178:517 179:706 180:41 181:1816 182:28 183:966 184:452 185:3532 186:2076 187:1524 188:825 189:1812 190:4184 191:460 192:5171 193:1896 194:1231 195:941 196:689 197:1590 198:2748 199:4942 200:3638 201:3330 202:1009 203:733 204:2162 205:1952 206:1530 207:1533 208:1449 209:1890 210:297 211:424 212:1029 213:778 214:986 215:42 216:2551 217:420 218:527 219:18 220:28 221:378 222:24 223:865 End of report