IPv4 R&E Routing Table Report 20:15 GMT Wed 14 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: 290199 Prefixes after maximum aggregation (per Origin AS): 119787 Deaggregation factor: 2.42 Unique aggregates announced (without unneeded subnets): 150460 Number of IPv4 prefixes with a valid ROA: 147929 Number of IPv4 prefixes with an invalid ROA: 204 Number of IPv4 prefixes with no ROA: 142066 Total ASes present in the Internet Routing Table: 20675 Prefixes per ASN: 14.04 Origin-only ASes present in the Internet Routing Table: 17830 Origin ASes announcing only one prefix: 8017 Transit ASes present in the Internet Routing Table: 2845 Transit-only ASes present in the Internet Routing Table: 735 Paths with bogon ASNs present in the IPv4 Routing Table: 7 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: 253 Number of instances of unregistered ASNs: 282 Number of 32-bit ASNs allocated by the RIRs: 48375 Number of 32-bit ASNs visible in the Routing Table: 8377 Prefixes from 32-bit ASNs in the Routing Table: 34111 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: 139 Number of addresses announced to Internet: 1622894277 Equivalent to 96 /8s, 187 /16s and 102 /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: 93671 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43203 Total APNIC prefixes after maximum aggregation: 9054 APNIC Deaggregation factor: 4.77 Prefixes being announced from the APNIC address blocks: 39845 Unique aggregates announced from the APNIC address blocks: 9263 APNIC Region origin ASes present in the Internet Routing Table: 1340 APNIC Prefixes per ASN: 29.74 APNIC Region origin ASes announcing only one prefix: 564 APNIC Region transit ASes present in the Internet Routing Table: 236 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: 171114092 Equivalent to 10 /8s, 50 /16s and 254 /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: 127119 Total ARIN prefixes after maximum aggregation: 65391 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 124734 Unique aggregates announced from the ARIN address blocks: 71296 ARIN Region origin ASes present in the Internet Routing Table: 9244 ARIN Prefixes per ASN: 13.49 ARIN Region origin ASes announcing only one prefix: 3843 ARIN Region transit ASes present in the Internet Routing Table: 861 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: 2212 Number of ARIN addresses announced to Internet: 1013848105 Equivalent to 60 /8s, 110 /16s and 24 /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: 51530 Total RIPE prefixes after maximum aggregation: 26054 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54167 Unique aggregates announced from the RIPE address blocks: 37440 RIPE Region origin ASes present in the Internet Routing Table: 4506 RIPE Prefixes per ASN: 12.02 RIPE Region origin ASes announcing only one prefix: 1917 RIPE Region transit ASes present in the Internet Routing Table: 681 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1897 Number of RIPE addresses announced to Internet: 284833744 Equivalent to 16 /8s, 250 /16s and 55 /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: 57605 Total LACNIC prefixes after maximum aggregation: 16591 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55445 Unique aggregates announced from the LACNIC address blocks: 24557 LACNIC Region origin ASes present in the Internet Routing Table: 4437 LACNIC Prefixes per ASN: 12.50 LACNIC Region origin ASes announcing only one prefix: 1580 LACNIC Region transit ASes present in the Internet Routing Table: 861 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: 3438 Number of LACNIC addresses announced to Internet: 108127072 Equivalent to 6 /8s, 113 /16s and 227 /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: 10489 Total AfriNIC prefixes after maximum aggregation: 2498 AfriNIC Deaggregation factor: 4.20 Prefixes being announced from the AfriNIC address blocks: 15869 Unique aggregates announced from the AfriNIC address blocks: 7776 AfriNIC Region origin ASes present in the Internet Routing Table: 295 AfriNIC Prefixes per ASN: 53.79 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 86 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: 168 Number of AfriNIC addresses announced to Internet: 44818432 Equivalent to 2 /8s, 171 /16s and 224 /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 13294 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3345 832 195 CMNET-JIANGSU-AP China Mobile communicati 17561 2238 141 498 LCS-AS-AP LARUS Limited, HK 56041 1762 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1708 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1055 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 759 497 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 14161 38739 5428 AMAZON-02, US 22773 4776 3099 364 ASN-CXA-ALL-CCI-22773-RDC, US 749 3144 54729 2395 DNIC-AS-00749, US 36352 2419 200 1147 AS-COLOCROSSING, US 6167 1974 4173 531 CELLCO-PART, US 11776 1907 259 213 ATLANTICBB-JOHNSTOWN, US 367 1815 1887 829 DNIC-ASBLK-00306-00371, US 209 1640 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 1277 98 1032 AKAMAI-ASN1, NL 25019 1147 1335 138 SAUDINETSTC-AS, SA 34984 994 161 747 TELLCOM-AS, TR 3215 900 4820 300 France Telecom - Orange, FR 8452 888 1841 17 TE-AS TE-AS, EG 212238 704 49 619 CDNEXT, GB 51167 565 113 248 CONTABO, DE 5511 531 98 450 OPENTRANSIT, FR 35819 522 521 103 MOBILY-AS Etihad Etisalat Company Mobily, 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 7399 2005 798 UNINET, MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 10620 1591 224 1173 Telmex Colombia S.A., CO 11664 1366 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1339 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1255 371 22 Telefonica del Peru S.A.A., PE 26615 1009 2486 56 TIM SA, BR 18881 909 1127 31 TELEFONICA BRASIL S.A, BR 27651 849 140 44 ENTEL CHILE S.A., CL 52468 703 44 211 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 1439 463 90 RAYA-AS, EG 37069 1079 1084 13 MOBINIL, EG 24863 930 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 568 82 3 KENET-AS, KE 36935 507 134 136 Vodafone-, EG 36903 506 235 346 MT-MPLS, MA 29571 424 94 22 ORANGE-COTE-IVOIRE, CI 36992 382 869 246 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 14161 38739 5428 AMAZON-02, US 9808 13294 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7399 2005 798 UNINET, MX 39891 4969 306 72 ALJAWWALSTC-AS, SA 22773 4776 3099 364 ASN-CXA-ALL-CCI-22773-RDC, US 56046 3345 832 195 CMNET-JIANGSU-AP China Mobile communicati 749 3144 54729 2395 DNIC-AS-00749, US 36352 2419 200 1147 AS-COLOCROSSING, US 17561 2238 141 498 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 13294 13174 CHINAMOBILE-CN China Mobile Communications Grou 8151 7399 6601 UNINET, MX 39891 4969 4897 ALJAWWALSTC-AS, SA 22773 4776 4412 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 2238 1740 LCS-AS-AP LARUS Limited, HK 11776 1907 1694 ATLANTICBB-JOHNSTOWN, US 56041 1762 1683 CMNET-ZHEJIANG-AP China Mobile communications c 56047 1708 1658 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 /12:159 /13:217 /14:584 /15:1069 /16:7507 /17:3500 /18:4169 /19:7711 /20:13256 /21:16236 /22:28796 /23:29733 /24:176921 /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 3997 7399 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3050 4776 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2502 14161 AMAZON-02, US 11830 1695 1991 Instituto Costarricense de Electricidad y Telecom., CR 11664 1053 1366 Techtel LMDS Comunicaciones Interactivas S.A., AR 19901 1052 1477 BRIGHTSPEED, US 36352 1015 2419 AS-COLOCROSSING, US 10620 959 1591 Telmex Colombia S.A., CO 209 954 1640 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) ---------------------------------------------- 1:46 2:459 3:973 4:5 5:1191 6:174 7:5 8:640 9:5 11:172 12:881 13:576 14:179 15:359 16:250 17:3 18:909 20:203 21:4 22:188 23:2871 24:673 27:55 29:19 31:505 32:13 34:7 35:182 36:3309 37:605 38:2398 39:826 40:271 41:1082 42:24 43:215 44:30 45:4544 46:930 47:172 49:20 50:483 51:523 52:1082 54:228 55:1117 56:11 57:31 58:47 59:42 60:74 61:61 62:590 63:722 64:2163 65:1031 66:2378 67:1133 68:501 69:1240 70:443 71:155 72:700 74:975 75:296 76:236 77:415 78:565 79:232 80:345 81:384 82:843 83:210 84:344 85:635 86:221 87:204 88:277 89:639 90:100 91:927 92:676 93:953 94:963 95:1346 96:289 97:51 98:392 99:279 100:22 101:27 102:520 103:1300 104:1716 105:167 106:3 107:1688 108:524 109:377 110:94 111:2746 112:1267 113:33 114:34 115:55 116:54 117:1506 118:135 119:91 120:1926 121:39 122:76 123:131 124:69 125:49 128:566 129:376 130:704 131:1125 132:559 133:220 134:515 135:136 136:739 137:608 138:1001 139:446 140:759 141:386 142:1469 143:866 144:404 145:193 146:690 147:483 148:999 149:708 150:285 151:866 152:821 153:282 154:2419 155:1082 156:2046 157:493 158:647 159:839 160:631 161:698 162:992 163:419 164:738 165:635 166:579 167:710 168:1518 169:165 170:1915 171:101 172:1550 173:798 174:279 175:104 176:656 177:875 178:622 179:901 180:45 181:2535 182:26 183:1606 184:438 185:3402 186:3472 187:1684 188:1042 189:1893 190:6363 191:583 192:5094 193:1713 194:1104 195:938 196:701 197:1025 198:2732 199:2475 200:4692 201:3730 202:1121 203:837 204:2206 205:1792 206:1520 207:1738 208:1707 209:1934 210:438 211:516 212:1093 213:857 214:980 215:43 216:2531 217:554 218:644 219:29 220:83 221:530 222:29 223:1654 End of report