IPv4 R&E Routing Table Report 20:15 GMT Mon 29 Dec, 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: 293834 Prefixes after maximum aggregation (per Origin AS): 121722 Deaggregation factor: 2.41 Unique aggregates announced (without unneeded subnets): 153487 Number of IPv4 prefixes with a valid ROA: 147615 Number of IPv4 prefixes with an invalid ROA: 199 Number of IPv4 prefixes with no ROA: 146020 Total ASes present in the Internet Routing Table: 20729 Prefixes per ASN: 14.18 Origin-only ASes present in the Internet Routing Table: 17868 Origin ASes announcing only one prefix: 8046 Transit ASes present in the Internet Routing Table: 2861 Transit-only ASes present in the Internet Routing Table: 731 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: 264 Number of instances of unregistered ASNs: 293 Number of 32-bit ASNs allocated by the RIRs: 48319 Number of 32-bit ASNs visible in the Routing Table: 8337 Prefixes from 32-bit ASNs in the Routing Table: 34530 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: 132 Number of addresses announced to Internet: 1621069509 Equivalent to 96 /8s, 159 /16s and 142 /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: 97045 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42132 Total APNIC prefixes after maximum aggregation: 8703 APNIC Deaggregation factor: 4.84 Prefixes being announced from the APNIC address blocks: 38987 Unique aggregates announced from the APNIC address blocks: 8750 APNIC Region origin ASes present in the Internet Routing Table: 1278 APNIC Prefixes per ASN: 30.51 APNIC Region origin ASes announcing only one prefix: 522 APNIC Region transit ASes present in the Internet Routing Table: 214 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 620 Number of APNIC addresses announced to Internet: 167962476 Equivalent to 10 /8s, 2 /16s and 231 /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: 131257 Total ARIN prefixes after maximum aggregation: 67417 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 129302 Unique aggregates announced from the ARIN address blocks: 75044 ARIN Region origin ASes present in the Internet Routing Table: 9351 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 3886 ARIN Region transit ASes present in the Internet Routing Table: 890 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: 2244 Number of ARIN addresses announced to Internet: 1014766633 Equivalent to 60 /8s, 124 /16s and 28 /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: 52094 Total RIPE prefixes after maximum aggregation: 26320 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54549 Unique aggregates announced from the RIPE address blocks: 37714 RIPE Region origin ASes present in the Internet Routing Table: 4561 RIPE Prefixes per ASN: 11.96 RIPE Region origin ASes announcing only one prefix: 1945 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: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1921 Number of RIPE addresses announced to Internet: 285248976 Equivalent to 17 /8s, 0 /16s and 141 /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: 57286 Total LACNIC prefixes after maximum aggregation: 16506 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55114 Unique aggregates announced from the LACNIC address blocks: 24355 LACNIC Region origin ASes present in the Internet Routing Table: 4367 LACNIC Prefixes per ASN: 12.62 LACNIC Region origin ASes announcing only one prefix: 1563 LACNIC Region transit ASes present in the Internet Routing Table: 838 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: 3359 Number of LACNIC addresses announced to Internet: 107790432 Equivalent to 6 /8s, 108 /16s and 192 /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: 10801 Total AfriNIC prefixes after maximum aggregation: 2568 AfriNIC Deaggregation factor: 4.21 Prefixes being announced from the AfriNIC address blocks: 15750 Unique aggregates announced from the AfriNIC address blocks: 7498 AfriNIC Region origin ASes present in the Internet Routing Table: 326 AfriNIC Prefixes per ASN: 48.31 AfriNIC Region origin ASes announcing only one prefix: 130 AfriNIC Region transit ASes present in the Internet Routing Table: 93 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: 193 Number of AfriNIC addresses announced to Internet: 45147904 Equivalent to 2 /8s, 176 /16s and 231 /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 13205 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3336 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 1868 117 441 LCS-AS-AP LARUS Limited, HK 56041 1756 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1733 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1046 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 56045 907 481 55 CMNET-JIANGXI-AP China Mobile communicati 24547 888 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24445 739 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 136787 696 44 392 PACKETHUBSA-AS-AP PacketHub S.A., PA 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 14008 38461 5448 AMAZON-02, US 22773 4744 3097 373 ASN-CXA-ALL-CCI-22773-RDC, US 749 3144 54729 2395 DNIC-AS-00749, US 11492 2807 182 1298 CABLEONE, US 36352 2416 200 1145 AS-COLOCROSSING, US 6167 1972 4172 531 CELLCO-PART, US 11776 1908 259 213 ATLANTICBB-JOHNSTOWN, US 367 1808 1884 820 DNIC-ASBLK-00306-00371, US 209 1642 4884 264 CENTURYLINK-US-LEGACY-QWEST, US 19901 1472 716 706 BRIGHTSPEED, 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 4901 302 70 ALJAWWALSTC-AS, SA 20940 1330 102 1070 AKAMAI-ASN1, NL 25019 1142 1335 138 SAUDINETSTC-AS, SA 34984 994 161 745 TELLCOM-AS, TR 3215 898 4820 298 France Telecom - Orange, FR 8452 856 1841 16 TE-AS TE-AS, EG 212238 821 59 721 CDNEXT, GB 51167 565 113 248 CONTABO, DE 8376 556 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 7337 1919 773 UNINET, MX 11830 1992 369 65 Instituto Costarricense de Electricidad y 10620 1591 224 1173 Telmex Colombia S.A., CO 11664 1370 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1260 371 22 Telefonica del Peru S.A.A., PE 26615 1010 2486 56 TIM SA, BR 18881 904 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 688 43 205 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 1443 463 90 RAYA-AS, EG 37069 1099 1084 13 MOBINIL, EG 24863 933 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 551 82 3 KENET-AS, KE 29571 541 94 22 ORANGE-COTE-IVOIRE, CI 36903 507 235 347 MT-MPLS, MA 36935 496 131 132 Vodafone-, EG 36992 469 988 265 ETISALAT-MISR, EG 2018 357 318 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 14008 38461 5448 AMAZON-02, US 9808 13205 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7337 1919 773 UNINET, MX 39891 4901 302 70 ALJAWWALSTC-AS, SA 22773 4744 3097 373 ASN-CXA-ALL-CCI-22773-RDC, US 56046 3336 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3144 54729 2395 DNIC-AS-00749, US 11492 2807 182 1298 CABLEONE, US 36352 2416 200 1145 AS-COLOCROSSING, US 11830 1992 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 13205 13085 CHINAMOBILE-CN China Mobile Communications Grou 8151 7337 6564 UNINET, MX 39891 4901 4831 ALJAWWALSTC-AS, SA 22773 4744 4371 ASN-CXA-ALL-CCI-22773-RDC, US 56046 3336 3141 CMNET-JIANGSU-AP China Mobile communications co 11830 1992 1927 Instituto Costarricense de Electricidad y Telec 11776 1908 1695 ATLANTICBB-JOHNSTOWN, US 56047 1733 1683 CMNET-HUNAN-AP China Mobile communications corp 56041 1756 1677 CMNET-ZHEJIANG-AP China Mobile communications c 11492 2807 1509 CABLEONE, US 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 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 12114 UNALLOCATED 12.129.100.0/24 7018 ATT-INTERNET4, US 22538 UNALLOCATED 12.131.3.0/24 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 /12:156 /13:215 /14:584 /15:1067 /16:7478 /17:3481 /18:4172 /19:7665 /20:13294 /21:16342 /22:28912 /23:30016 /24:180110 /25:60 /26:83 /27:50 /28:18 /29:7 /30:9 /31:1 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4026 7337 UNINET, MX 39891 3587 4901 ALJAWWALSTC-AS, SA 22773 3052 4744 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2454 14008 AMAZON-02, US 11492 2231 2807 CABLEONE, US 11830 1696 1992 Instituto Costarricense de Electricidad y Telecom., CR 19901 1055 1472 BRIGHTSPEED, US 11664 1047 1370 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1015 2416 AS-COLOCROSSING, US 10620 959 1591 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:29 2:472 3:972 4:5 5:1191 6:172 7:5 8:637 9:5 11:172 12:891 13:542 14:179 15:360 16:250 17:3 18:907 20:221 21:4 22:188 23:2939 24:1187 27:59 29:19 31:505 32:13 34:7 35:182 36:3344 37:600 38:2476 39:806 40:267 41:1098 42:27 43:218 44:37 45:4447 46:947 47:172 49:20 50:498 51:523 52:1087 54:218 55:1117 56:11 57:40 58:46 59:43 60:74 61:58 62:601 63:747 64:2350 65:1048 66:2454 67:1496 68:520 69:1329 70:440 71:162 72:875 74:1014 75:301 76:254 77:409 78:545 79:260 80:354 81:415 82:861 83:209 84:355 85:606 86:251 87:198 88:282 89:673 90:105 91:957 92:686 93:979 94:994 95:1329 96:583 97:55 98:398 99:270 100:21 101:19 102:547 103:1252 104:1790 105:198 106:3 107:1690 108:554 109:370 110:93 111:2687 112:1223 113:36 114:35 115:55 116:55 117:1539 118:68 119:90 120:1770 121:38 122:74 123:110 124:71 125:49 128:576 129:387 130:705 131:1146 132:544 133:221 134:524 135:140 136:684 137:583 138:1016 139:448 140:765 141:379 142:1451 143:880 144:389 145:191 146:697 147:502 148:1041 149:715 150:287 151:861 152:887 153:280 154:2171 155:1063 156:1843 157:486 158:631 159:971 160:1006 161:712 162:1024 163:440 164:741 165:644 166:583 167:705 168:1481 169:167 170:1980 171:102 172:1574 173:1124 174:428 175:98 176:642 177:897 178:609 179:896 180:92 181:2529 182:28 183:1558 184:600 185:3540 186:3419 187:1680 188:1000 189:1884 190:6378 191:566 192:5135 193:1735 194:1144 195:1018 196:710 197:1035 198:2753 199:2513 200:4620 201:3679 202:1076 203:807 204:2234 205:1824 206:1604 207:1842 208:1746 209:1979 210:401 211:504 212:1081 213:812 214:978 215:43 216:2584 217:624 218:642 219:29 220:82 221:528 222:30 223:1635 End of report