IPv4 R&E Routing Table Report 20:15 GMT Wed 07 Jan, 2026 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: 290025 Prefixes after maximum aggregation (per Origin AS): 119700 Deaggregation factor: 2.42 Unique aggregates announced (without unneeded subnets): 150218 Number of IPv4 prefixes with a valid ROA: 147965 Number of IPv4 prefixes with an invalid ROA: 203 Number of IPv4 prefixes with no ROA: 141857 Total ASes present in the Internet Routing Table: 20629 Prefixes per ASN: 14.06 Origin-only ASes present in the Internet Routing Table: 17791 Origin ASes announcing only one prefix: 8011 Transit ASes present in the Internet Routing Table: 2838 Transit-only ASes present in the Internet Routing Table: 741 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 35 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 277 Number of instances of unregistered ASNs: 306 Number of 32-bit ASNs allocated by the RIRs: 48298 Number of 32-bit ASNs visible in the Routing Table: 8292 Prefixes from 32-bit ASNs in the Routing Table: 33821 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 125 Number of addresses announced to Internet: 1623061445 Equivalent to 96 /8s, 189 /16s and 243 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 43.8 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: 94041 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42969 Total APNIC prefixes after maximum aggregation: 8973 APNIC Deaggregation factor: 4.79 Prefixes being announced from the APNIC address blocks: 39592 Unique aggregates announced from the APNIC address blocks: 9113 APNIC Region origin ASes present in the Internet Routing Table: 1342 APNIC Prefixes per ASN: 29.50 APNIC Region origin ASes announcing only one prefix: 562 APNIC Region transit ASes present in the Internet Routing Table: 229 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 662 Number of APNIC addresses announced to Internet: 172021612 Equivalent to 10 /8s, 64 /16s and 215 /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: 126520 Total ARIN prefixes after maximum aggregation: 65116 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 124359 Unique aggregates announced from the ARIN address blocks: 70821 ARIN Region origin ASes present in the Internet Routing Table: 9203 ARIN Prefixes per ASN: 13.51 ARIN Region origin ASes announcing only one prefix: 3831 ARIN Region transit ASes present in the Internet Routing Table: 856 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2187 Number of ARIN addresses announced to Internet: 1012764713 Equivalent to 60 /8s, 93 /16s and 144 /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: 52285 Total RIPE prefixes after maximum aggregation: 26375 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54864 Unique aggregates announced from the RIPE address blocks: 37923 RIPE Region origin ASes present in the Internet Routing Table: 4570 RIPE Prefixes per ASN: 12.01 RIPE Region origin ASes announcing only one prefix: 1940 RIPE Region transit ASes present in the Internet Routing Table: 699 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1920 Number of RIPE addresses announced to Internet: 285306832 Equivalent to 17 /8s, 1 /16s and 111 /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: 57524 Total LACNIC prefixes after maximum aggregation: 16533 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55352 Unique aggregates announced from the LACNIC address blocks: 24558 LACNIC Region origin ASes present in the Internet Routing Table: 4346 LACNIC Prefixes per ASN: 12.74 LACNIC Region origin ASes announcing only one prefix: 1557 LACNIC Region transit ASes present in the Internet Routing Table: 840 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3347 Number of LACNIC addresses announced to Internet: 107937120 Equivalent to 6 /8s, 110 /16s and 253 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 10450 Total AfriNIC prefixes after maximum aggregation: 2484 AfriNIC Deaggregation factor: 4.21 Prefixes being announced from the AfriNIC address blocks: 15733 Unique aggregates announced from the AfriNIC address blocks: 7684 AfriNIC Region origin ASes present in the Internet Routing Table: 308 AfriNIC Prefixes per ASN: 51.08 AfriNIC Region origin ASes announcing only one prefix: 121 AfriNIC Region transit ASes present in the Internet Routing Table: 87 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 176 Number of AfriNIC addresses announced to Internet: 44881664 Equivalent to 2 /8s, 172 /16s and 215 /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 13219 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3345 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2232 140 503 LCS-AS-AP LARUS Limited, HK 56041 1756 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1737 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1052 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 56045 907 481 55 CMNET-JIANGXI-AP China Mobile communicati 24547 890 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24445 748 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 654 1159 153 ALIBABA-CN-NET Alibaba US Technology Co., 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 14106 38497 5440 AMAZON-02, US 22773 4744 3097 371 ASN-CXA-ALL-CCI-22773-RDC, US 749 3143 54729 2394 DNIC-AS-00749, US 36352 2418 200 1146 AS-COLOCROSSING, US 6167 1971 4170 530 CELLCO-PART, US 11776 1907 259 213 ATLANTICBB-JOHNSTOWN, US 367 1816 1887 832 DNIC-ASBLK-00306-00371, US 209 1642 4884 264 CENTURYLINK-US-LEGACY-QWEST, US 19901 1478 717 703 BRIGHTSPEED, US 20057 1438 1017 111 ATT-MOBILITY-LLC-AS20057, 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 4969 306 72 ALJAWWALSTC-AS, SA 20940 1269 97 1032 AKAMAI-ASN1, NL 25019 1145 1335 138 SAUDINETSTC-AS, SA 34984 994 161 745 TELLCOM-AS, TR 3215 898 4820 298 France Telecom - Orange, FR 8452 842 1841 16 TE-AS TE-AS, EG 212238 706 49 621 CDNEXT, GB 51167 565 113 248 CONTABO, DE 8376 551 53 25 Jordan Data Communications, JO 5511 530 98 449 OPENTRANSIT, FR 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 7342 1933 775 UNINET, MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 10620 1591 224 1173 Telmex Colombia S.A., CO 11664 1371 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1259 371 22 Telefonica del Peru S.A.A., PE 26615 1010 2486 56 TIM SA, BR 18881 903 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 690 43 204 UFINET PANAMA S.A., PA 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 24835 1447 463 90 RAYA-AS, EG 37069 1099 1084 13 MOBINIL, EG 24863 922 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 552 82 3 KENET-AS, KE 36903 506 235 346 MT-MPLS, MA 36935 503 131 133 Vodafone-, EG 29571 424 94 22 ORANGE-COTE-IVOIRE, CI 36992 396 895 250 ETISALAT-MISR, EG 2018 375 318 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 14106 38497 5440 AMAZON-02, US 9808 13219 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7342 1933 775 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4744 3097 371 ASN-CXA-ALL-CCI-22773-RDC, US 56046 3345 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3143 54729 2394 DNIC-AS-00749, US 36352 2418 200 1146 AS-COLOCROSSING, US 17561 2232 140 503 LCS-AS-AP LARUS Limited, HK 11830 1991 369 65 Instituto Costarricense de Electricidad y 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 13219 13099 CHINAMOBILE-CN China Mobile Communications Grou 8151 7342 6567 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4744 4373 ASN-CXA-ALL-CCI-22773-RDC, US 56046 3345 3150 CMNET-JIANGSU-AP China Mobile communications co 11830 1991 1926 Instituto Costarricense de Electricidad y Telec 17561 2232 1729 LCS-AS-AP LARUS Limited, HK 11776 1907 1694 ATLANTICBB-JOHNSTOWN, US 56047 1737 1687 CMNET-HUNAN-AP China Mobile communications corp 56041 1756 1677 CMNET-ZHEJIANG-AP China Mobile communications c 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 397817 UNALLOCATED 12.25.103.0/24 7018 ATT-INTERNET4, US 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4, US 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4, US 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.106.212.0/24 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 23.137.48.0/24 Origin: 16904 ARVIG-16904, US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 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 23.155.185.0/24 Origin: 401541 OSIE, US 23.155.185.0/24 Transit: 397423 TIER-NET, US 23.157.217.0/24 Origin: 401541 OSIE, US 23.157.217.0/24 Transit: 397423 TIER-NET, US 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 /8:14 /9:11 /10:33 /11:51 /12:157 /13:215 /14:583 /15:1068 /16:7500 /17:3511 /18:4174 /19:7684 /20:13235 /21:16310 /22:28691 /23:29660 /24:176893 /25:60 /26:83 /27:52 /28:18 /29:7 /30:9 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4031 7342 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3054 4744 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2493 14106 AMAZON-02, US 11830 1695 1991 Instituto Costarricense de Electricidad y Telecom., CR 11664 1057 1371 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1055 1478 BRIGHTSPEED, US 36352 1014 2418 AS-COLOCROSSING, US 10620 959 1591 Telmex Colombia S.A., CO 209 955 1642 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:33 2:466 3:975 4:5 5:1185 6:174 7:5 8:640 9:5 11:172 12:887 13:564 14:178 15:360 16:250 17:3 18:908 20:202 21:4 22:188 23:2874 24:668 27:55 29:19 31:534 32:13 34:7 35:182 36:3338 37:629 38:2432 39:817 40:270 41:1046 42:24 43:214 44:29 45:4460 46:962 47:172 49:20 50:480 51:524 52:1079 54:222 55:1119 56:11 57:32 58:47 59:42 60:74 61:62 62:606 63:720 64:2146 65:1031 66:2361 67:1129 68:497 69:1203 70:440 71:154 72:712 74:991 75:297 76:235 77:416 78:566 79:260 80:347 81:411 82:842 83:208 84:347 85:631 86:238 87:201 88:280 89:657 90:105 91:943 92:664 93:970 94:987 95:1362 96:291 97:51 98:391 99:274 100:22 101:24 102:482 103:1309 104:1715 105:196 106:3 107:1680 108:525 109:389 110:94 111:2741 112:1224 113:40 114:34 115:61 116:55 117:1502 118:133 119:89 120:1779 121:39 122:76 123:110 124:67 125:49 128:571 129:380 130:701 131:1095 132:557 133:220 134:525 135:136 136:696 137:594 138:1001 139:452 140:775 141:384 142:1440 143:875 144:397 145:194 146:688 147:477 148:1194 149:724 150:287 151:864 152:819 153:282 154:2266 155:1109 156:2047 157:487 158:636 159:852 160:638 161:691 162:975 163:416 164:736 165:624 166:577 167:699 168:1511 169:165 170:1919 171:101 172:1540 173:791 174:277 175:93 176:652 177:873 178:624 179:891 180:53 181:2531 182:32 183:1569 184:436 185:3545 186:3427 187:1694 188:1063 189:1935 190:6390 191:575 192:5073 193:1736 194:1127 195:993 196:711 197:1014 198:2704 199:2473 200:4666 201:3739 202:1126 203:840 204:2200 205:1793 206:1512 207:1728 208:1662 209:1928 210:443 211:514 212:1133 213:864 214:978 215:43 216:2528 217:558 218:644 219:30 220:91 221:529 222:29 223:1653 End of report