IPv4 R&E Routing Table Report 20:15 GMT Thu 08 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: 289482 Prefixes after maximum aggregation (per Origin AS): 119424 Deaggregation factor: 2.42 Unique aggregates announced (without unneeded subnets): 149738 Number of IPv4 prefixes with a valid ROA: 147543 Number of IPv4 prefixes with an invalid ROA: 202 Number of IPv4 prefixes with no ROA: 141737 Total ASes present in the Internet Routing Table: 20605 Prefixes per ASN: 14.05 Origin-only ASes present in the Internet Routing Table: 17779 Origin ASes announcing only one prefix: 8005 Transit ASes present in the Internet Routing Table: 2826 Transit-only ASes present in the Internet Routing Table: 729 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: 48308 Number of 32-bit ASNs visible in the Routing Table: 8277 Prefixes from 32-bit ASNs in the Routing Table: 33854 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: 1622400453 Equivalent to 96 /8s, 179 /16s and 221 /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: 93612 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42968 Total APNIC prefixes after maximum aggregation: 8984 APNIC Deaggregation factor: 4.78 Prefixes being announced from the APNIC address blocks: 39587 Unique aggregates announced from the APNIC address blocks: 9119 APNIC Region origin ASes present in the Internet Routing Table: 1344 APNIC Prefixes per ASN: 29.45 APNIC Region origin ASes announcing only one prefix: 564 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: 661 Number of APNIC addresses announced to Internet: 172007020 Equivalent to 10 /8s, 64 /16s and 158 /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: 126749 Total ARIN prefixes after maximum aggregation: 65289 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 124506 Unique aggregates announced from the ARIN address blocks: 71129 ARIN Region origin ASes present in the Internet Routing Table: 9213 ARIN Prefixes per ASN: 13.51 ARIN Region origin ASes announcing only one prefix: 3836 ARIN Region transit ASes present in the Internet Routing Table: 857 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: 2191 Number of ARIN addresses announced to Internet: 1012718889 Equivalent to 60 /8s, 92 /16s and 221 /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: 51572 Total RIPE prefixes after maximum aggregation: 25940 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54223 Unique aggregates announced from the RIPE address blocks: 37306 RIPE Region origin ASes present in the Internet Routing Table: 4547 RIPE Prefixes per ASN: 11.93 RIPE Region origin ASes announcing only one prefix: 1933 RIPE Region transit ASes present in the Internet Routing Table: 691 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: 1912 Number of RIPE addresses announced to Internet: 284737488 Equivalent to 16 /8s, 248 /16s and 191 /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: 57439 Total LACNIC prefixes after maximum aggregation: 16484 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55256 Unique aggregates announced from the LACNIC address blocks: 24330 LACNIC Region origin ASes present in the Internet Routing Table: 4356 LACNIC Prefixes per ASN: 12.69 LACNIC Region origin ASes announcing only one prefix: 1558 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: 107896672 Equivalent to 6 /8s, 110 /16s and 95 /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: 10475 Total AfriNIC prefixes after maximum aggregation: 2506 AfriNIC Deaggregation factor: 4.18 Prefixes being announced from the AfriNIC address blocks: 15785 Unique aggregates announced from the AfriNIC address blocks: 7735 AfriNIC Region origin ASes present in the Internet Routing Table: 296 AfriNIC Prefixes per ASN: 53.33 AfriNIC Region origin ASes announcing only one prefix: 114 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: 166 Number of AfriNIC addresses announced to Internet: 44890880 Equivalent to 2 /8s, 172 /16s and 251 /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 13225 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 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 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 14123 38498 5436 AMAZON-02, US 22773 4773 3099 364 ASN-CXA-ALL-CCI-22773-RDC, US 749 3142 54729 2393 DNIC-AS-00749, US 36352 2417 200 1145 AS-COLOCROSSING, US 6167 1974 4173 531 CELLCO-PART, US 11776 1907 259 213 ATLANTICBB-JOHNSTOWN, US 367 1818 1886 832 DNIC-ASBLK-00306-00371, US 209 1642 4884 264 CENTURYLINK-US-LEGACY-QWEST, US 19901 1479 717 702 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 1147 1335 138 SAUDINETSTC-AS, SA 34984 994 161 745 TELLCOM-AS, TR 3215 898 4820 298 France Telecom - Orange, FR 8452 841 1841 16 TE-AS TE-AS, EG 212238 705 49 620 CDNEXT, GB 51167 565 113 248 CONTABO, DE 8376 550 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 7346 1933 775 UNINET, MX 11830 1991 369 65 Instituto Costarricense de Electricidad y 10620 1591 224 1173 Telmex Colombia S.A., CO 11664 1363 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 1003 2486 56 TIM SA, BR 18881 901 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 920 389 16 LINKdotNET-AS, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 560 82 3 KENET-AS, KE 36903 506 235 346 MT-MPLS, MA 36935 503 131 133 Vodafone-, EG 36992 439 906 278 ETISALAT-MISR, EG 29571 424 94 22 ORANGE-COTE-IVOIRE, CI 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 14123 38498 5436 AMAZON-02, US 9808 13225 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7346 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 3142 54729 2393 DNIC-AS-00749, US 36352 2417 200 1145 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 13225 13105 CHINAMOBILE-CN China Mobile Communications Grou 8151 7346 6571 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 2232 1729 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 /10:33 /11:52 /12:159 /13:216 /14:583 /15:1068 /16:7497 /17:3509 /18:4172 /19:7678 /20:13245 /21:16217 /22:28692 /23:29633 /24:176468 /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 7346 UNINET, MX 39891 3655 4969 ALJAWWALSTC-AS, SA 22773 3047 4773 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2489 14123 AMAZON-02, US 11830 1695 1991 Instituto Costarricense de Electricidad y Telecom., CR 19901 1056 1479 BRIGHTSPEED, US 11664 1051 1363 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1014 2417 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) ---------------------------------------------- 1:44 2:456 3:981 4:5 5:1191 6:174 7:5 8:640 9:5 11:172 12:891 13:567 14:178 15:360 16:250 17:3 18:908 20:202 21:4 22:188 23:2882 24:668 27:55 29:19 31:520 32:13 34:7 35:182 36:3310 37:610 38:2426 39:820 40:270 41:1056 42:24 43:222 44:30 45:4472 46:933 47:172 49:20 50:479 51:524 52:1080 54:225 55:1102 56:11 57:33 58:45 59:42 60:74 61:63 62:610 63:716 64:2144 65:1032 66:2358 67:1143 68:505 69:1202 70:438 71:155 72:709 74:991 75:299 76:235 77:411 78:561 79:249 80:337 81:403 82:847 83:207 84:349 85:623 86:236 87:199 88:278 89:636 90:103 91:944 92:672 93:944 94:973 95:1358 96:291 97:51 98:391 99:275 100:22 101:24 102:478 103:1306 104:1721 105:196 106:3 107:1683 108:523 109:384 110:94 111:2742 112:1225 113:40 114:34 115:61 116:54 117:1502 118:132 119:89 120:1779 121:40 122:76 123:110 124:68 125:49 128:571 129:376 130:701 131:1092 132:559 133:220 134:515 135:137 136:724 137:601 138:998 139:450 140:776 141:384 142:1439 143:888 144:395 145:193 146:688 147:478 148:1008 149:725 150:289 151:854 152:820 153:282 154:2296 155:1109 156:2052 157:488 158:639 159:850 160:631 161:692 162:974 163:416 164:737 165:630 166:579 167:702 168:1510 169:166 170:1913 171:101 172:1534 173:793 174:275 175:98 176:652 177:886 178:623 179:890 180:53 181:2523 182:32 183:1574 184:435 185:3402 186:3417 187:1692 188:1042 189:1937 190:6388 191:572 192:5081 193:1727 194:1119 195:994 196:706 197:1023 198:2705 199:2470 200:4651 201:3712 202:1127 203:840 204:2206 205:1793 206:1528 207:1731 208:1697 209:1937 210:443 211:514 212:1130 213:863 214:977 215:43 216:2527 217:558 218:644 219:30 220:91 221:529 222:29 223:1654 End of report