IPv4 R&E Routing Table Report 20:15 GMT Fri 09 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: 289371 Prefixes after maximum aggregation (per Origin AS): 119418 Deaggregation factor: 2.42 Unique aggregates announced (without unneeded subnets): 149708 Number of IPv4 prefixes with a valid ROA: 147523 Number of IPv4 prefixes with an invalid ROA: 204 Number of IPv4 prefixes with no ROA: 141644 Total ASes present in the Internet Routing Table: 20621 Prefixes per ASN: 14.03 Origin-only ASes present in the Internet Routing Table: 17785 Origin ASes announcing only one prefix: 8025 Transit ASes present in the Internet Routing Table: 2836 Transit-only ASes present in the Internet Routing Table: 727 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: 279 Number of instances of unregistered ASNs: 308 Number of 32-bit ASNs allocated by the RIRs: 48328 Number of 32-bit ASNs visible in the Routing Table: 8323 Prefixes from 32-bit ASNs in the Routing Table: 34009 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: 1621946821 Equivalent to 96 /8s, 172 /16s and 241 /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: 93604 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42900 Total APNIC prefixes after maximum aggregation: 8980 APNIC Deaggregation factor: 4.78 Prefixes being announced from the APNIC address blocks: 39535 Unique aggregates announced from the APNIC address blocks: 9174 APNIC Region origin ASes present in the Internet Routing Table: 1339 APNIC Prefixes per ASN: 29.53 APNIC Region origin ASes announcing only one prefix: 565 APNIC Region transit ASes present in the Internet Routing Table: 227 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: 656 Number of APNIC addresses announced to Internet: 170083692 Equivalent to 10 /8s, 35 /16s and 69 /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: 126798 Total ARIN prefixes after maximum aggregation: 65306 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 124534 Unique aggregates announced from the ARIN address blocks: 71161 ARIN Region origin ASes present in the Internet Routing Table: 9223 ARIN Prefixes per ASN: 13.50 ARIN Region origin ASes announcing only one prefix: 3841 ARIN Region transit ASes present in the Internet Routing Table: 862 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: 2197 Number of ARIN addresses announced to Internet: 1012960809 Equivalent to 60 /8s, 96 /16s and 142 /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: 51672 Total RIPE prefixes after maximum aggregation: 26006 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54326 Unique aggregates announced from the RIPE address blocks: 37237 RIPE Region origin ASes present in the Internet Routing Table: 4504 RIPE Prefixes per ASN: 12.06 RIPE Region origin ASes announcing only one prefix: 1924 RIPE Region transit ASes present in the Internet Routing Table: 680 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: 1903 Number of RIPE addresses announced to Internet: 286031824 Equivalent to 17 /8s, 12 /16s and 127 /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: 57276 Total LACNIC prefixes after maximum aggregation: 16424 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55099 Unique aggregates announced from the LACNIC address blocks: 24318 LACNIC Region origin ASes present in the Internet Routing Table: 4409 LACNIC Prefixes per ASN: 12.50 LACNIC Region origin ASes announcing only one prefix: 1578 LACNIC Region transit ASes present in the Internet Routing Table: 855 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: 3398 Number of LACNIC addresses announced to Internet: 107839840 Equivalent to 6 /8s, 109 /16s and 129 /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: 10446 Total AfriNIC prefixes after maximum aggregation: 2481 AfriNIC Deaggregation factor: 4.21 Prefixes being announced from the AfriNIC address blocks: 15752 Unique aggregates announced from the AfriNIC address blocks: 7699 AfriNIC Region origin ASes present in the Internet Routing Table: 299 AfriNIC Prefixes per ASN: 52.68 AfriNIC Region origin ASes announcing only one prefix: 117 AfriNIC Region transit ASes present in the Internet Routing Table: 84 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: 169 Number of AfriNIC addresses announced to Internet: 44881152 Equivalent to 2 /8s, 172 /16s and 213 /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 13226 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3345 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2236 141 504 LCS-AS-AP LARUS Limited, HK 56041 1762 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1707 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 653 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 14157 38565 5438 AMAZON-02, US 22773 4773 3099 364 ASN-CXA-ALL-CCI-22773-RDC, US 749 3143 54729 2394 DNIC-AS-00749, US 36352 2415 200 1145 AS-COLOCROSSING, US 6167 1974 4173 531 CELLCO-PART, US 11776 1907 259 213 ATLANTICBB-JOHNSTOWN, US 367 1811 1870 828 DNIC-ASBLK-00306-00371, US 209 1642 4884 264 CENTURYLINK-US-LEGACY-QWEST, US 19901 1477 724 699 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 1282 98 1036 AKAMAI-ASN1, NL 25019 1147 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 734 51 642 CDNEXT, GB 51167 565 113 248 CONTABO, DE 8376 551 53 25 Jordan Data Communications, JO 5511 531 98 450 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 7347 1933 775 UNINET, MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 10620 1592 224 1174 Telmex Colombia S.A., CO 11664 1363 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1258 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 692 43 206 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 918 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 568 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 392 890 249 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 14157 38565 5438 AMAZON-02, US 9808 13226 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7347 1933 775 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4773 3099 364 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 2415 200 1145 AS-COLOCROSSING, US 17561 2236 141 504 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 13226 13106 CHINAMOBILE-CN China Mobile Communications Grou 8151 7347 6572 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4773 4409 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 2236 1732 LCS-AS-AP LARUS Limited, HK 11776 1907 1694 ATLANTICBB-JOHNSTOWN, US 56041 1762 1683 CMNET-ZHEJIANG-AP China Mobile communications c 56047 1707 1657 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 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 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 26295 UNALLOCATED 12.110.210.0/23 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 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 /10:32 /11:51 /12:160 /13:216 /14:583 /15:1068 /16:7501 /17:3497 /18:4169 /19:7662 /20:13227 /21:16215 /22:28726 /23:29680 /24:176324 /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 4035 7347 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3047 4773 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2498 14157 AMAZON-02, US 11830 1695 1991 Instituto Costarricense de Electricidad y Telecom., CR 19901 1052 1477 BRIGHTSPEED, US 11664 1051 1363 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1014 2415 AS-COLOCROSSING, US 10620 960 1592 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) ---------------------------------------------- 1:45 2:482 3:984 4:5 5:1188 6:174 7:5 8:641 9:5 11:172 12:891 13:567 14:176 15:360 16:250 17:3 18:910 20:203 21:4 22:188 23:2886 24:668 27:55 29:19 31:501 32:13 34:7 35:182 36:3309 37:606 38:2431 39:820 40:270 41:1055 42:24 43:216 44:30 45:4493 46:934 47:172 49:20 50:480 51:524 52:1081 54:226 55:1118 56:11 57:33 58:45 59:42 60:74 61:62 62:593 63:719 64:2141 65:1030 66:2357 67:1131 68:504 69:1205 70:435 71:155 72:709 74:993 75:296 76:235 77:429 78:567 79:244 80:345 81:379 82:845 83:207 84:349 85:635 86:236 87:199 88:281 89:633 90:100 91:936 92:678 93:958 94:957 95:1320 96:290 97:51 98:390 99:277 100:21 101:25 102:494 103:1306 104:1734 105:196 106:3 107:1683 108:526 109:381 110:94 111:2738 112:1265 113:37 114:34 115:55 116:54 117:1503 118:133 119:89 120:1779 121:40 122:76 123:112 124:67 125:49 128:566 129:377 130:702 131:1096 132:559 133:220 134:514 135:135 136:718 137:601 138:998 139:446 140:763 141:385 142:1439 143:881 144:394 145:193 146:690 147:483 148:1004 149:730 150:282 151:864 152:817 153:282 154:2283 155:1112 156:2053 157:494 158:642 159:843 160:631 161:688 162:972 163:415 164:735 165:624 166:577 167:698 168:1503 169:166 170:1916 171:101 172:1556 173:793 174:275 175:98 176:653 177:894 178:627 179:894 180:53 181:2512 182:24 183:1575 184:438 185:3409 186:3433 187:1697 188:1041 189:1926 190:6318 191:573 192:5091 193:1729 194:1101 195:997 196:687 197:1021 198:2707 199:2468 200:4622 201:3723 202:1121 203:822 204:2210 205:1782 206:1518 207:1732 208:1702 209:1936 210:443 211:515 212:1107 213:865 214:981 215:43 216:2533 217:554 218:644 219:29 220:83 221:529 222:29 223:1656 End of report