IPv4 R&E Routing Table Report 20:15 GMT Sat 23 May, 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: 290726 Prefixes after maximum aggregation (per Origin AS): 118893 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 149072 Number of IPv4 prefixes with a valid ROA: 161669 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 128844 Total ASes present in the Internet Routing Table: 20121 Prefixes per ASN: 14.45 Origin-only ASes present in the Internet Routing Table: 17275 Origin ASes announcing only one prefix: 7741 Transit ASes present in the Internet Routing Table: 2846 Transit-only ASes present in the Internet Routing Table: 716 Paths with bogon ASNs present in the IPv4 Routing Table: 11 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: 281 Number of instances of unregistered ASNs: 310 Number of 32-bit ASNs allocated by the RIRs: 49879 Number of 32-bit ASNs visible in the Routing Table: 8263 Prefixes from 32-bit ASNs in the Routing Table: 35317 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 94 Number of addresses announced to Internet: 1616258309 Equivalent to 96 /8s, 86 /16s and 37 /24s Percentage of available address space announced: 43.7 Percentage of allocated address space announced: 43.7 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: 94243 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42846 Total APNIC prefixes after maximum aggregation: 7992 APNIC Deaggregation factor: 5.36 Prefixes being announced from the APNIC address blocks: 39405 Unique aggregates announced from the APNIC address blocks: 7764 APNIC Region origin ASes present in the Internet Routing Table: 1217 APNIC Prefixes per ASN: 32.38 APNIC Region origin ASes announcing only one prefix: 487 APNIC Region transit ASes present in the Internet Routing Table: 207 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 597 Number of APNIC addresses announced to Internet: 168176492 Equivalent to 10 /8s, 6 /16s and 43 /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: 128104 Total ARIN prefixes after maximum aggregation: 65392 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125529 Unique aggregates announced from the ARIN address blocks: 70966 ARIN Region origin ASes present in the Internet Routing Table: 8896 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 3688 ARIN Region transit ASes present in the Internet Routing Table: 834 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: 2163 Number of ARIN addresses announced to Internet: 1019238409 Equivalent to 60 /8s, 192 /16s and 88 /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, 393216-404380 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: 51676 Total RIPE prefixes after maximum aggregation: 25978 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54724 Unique aggregates announced from the RIPE address blocks: 38047 RIPE Region origin ASes present in the Internet Routing Table: 4506 RIPE Prefixes per ASN: 12.14 RIPE Region origin ASes announcing only one prefix: 1919 RIPE Region transit ASes present in the Internet Routing Table: 718 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1963 Number of RIPE addresses announced to Internet: 281246672 Equivalent to 16 /8s, 195 /16s and 123 /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: 58338 Total LACNIC prefixes after maximum aggregation: 16750 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55617 Unique aggregates announced from the LACNIC address blocks: 24574 LACNIC Region origin ASes present in the Internet Routing Table: 4385 LACNIC Prefixes per ASN: 12.68 LACNIC Region origin ASes announcing only one prefix: 1532 LACNIC Region transit ASes present in the Internet Routing Table: 893 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: 3384 Number of LACNIC addresses announced to Internet: 105104064 Equivalent to 6 /8s, 67 /16s and 194 /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: 9481 Total AfriNIC prefixes after maximum aggregation: 2608 AfriNIC Deaggregation factor: 3.64 Prefixes being announced from the AfriNIC address blocks: 15357 Unique aggregates announced from the AfriNIC address blocks: 7643 AfriNIC Region origin ASes present in the Internet Routing Table: 282 AfriNIC Prefixes per ASN: 54.46 AfriNIC Region origin ASes announcing only one prefix: 115 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 156 Number of AfriNIC addresses announced to Internet: 42423296 Equivalent to 2 /8s, 135 /16s and 84 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13725 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3478 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2466 155 465 LCS-AS-AP LARUS Limited, HK 56041 1852 715 83 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1719 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1083 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 933 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 915 481 57 CMNET-JIANGXI-AP China Mobile communicati 45102 835 1242 171 ALIBABA-CN-NET Alibaba US Technology Co., 24445 796 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 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 14992 41427 5718 AMAZON-02 - Amazon.com, Inc., US 22773 4764 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2667 200 1227 AS-COLOCROSSING - HostPapa, US 6167 2154 4364 558 CELLCO-PART - Verizon Business, US 11776 1900 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1618 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1496 1212 712 DNIC-ASBLK-00306-00371 - United States De 20057 1462 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1445 728 668 BRIGHTSPEED - 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 4975 307 72 ALJAWWALSTC-AS, SA 25019 1503 1383 139 SAUDINETSTC-AS, SA 20940 1243 96 1013 AKAMAI-ASN1, NL 34984 1091 141 735 TELLCOM-AS, TR 8452 928 1841 19 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 778 56 691 CDNEXT, GB 8376 697 53 30 UNASSIGNED 51167 565 113 248 CONTABO, DE 35819 563 557 92 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 7481 1858 776 UNINET, MX 11830 1935 369 65 Instituto Costarricense de Electricidad y 10620 1689 228 1221 Telmex Colombia S.A., CO 11664 1469 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1224 371 22 INTEGRATEL PERU S.A.A., PE 26615 1065 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 690 43 240 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 1459 525 29 RAYA-AS, EG 37069 743 1100 11 MOBINIL, EG 24863 742 117 367 LINKdotNET-AS, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36935 574 150 151 Vodafone-, EG 36914 554 82 3 KENET-AS, KE 36903 464 220 314 MT-MPLS, MA 2018 374 318 69 TENET-1, ZA 36992 370 436 310 ETISALAT-MISR, EG 37693 349 599 43 TUNISIANA, TN 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 14992 41427 5718 AMAZON-02 - Amazon.com, Inc., US 9808 13725 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7481 1858 776 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4764 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3478 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2667 200 1227 AS-COLOCROSSING - HostPapa, US 17561 2466 155 465 LCS-AS-AP LARUS Limited, HK 6167 2154 4364 558 CELLCO-PART - Verizon Business, US 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 13725 13604 CHINAMOBILE-CN China Mobile Communications Grou 8151 7481 6705 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4764 4400 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3478 3289 CMNET-JIANGSU-AP China Mobile communications co 17561 2466 2001 LCS-AS-AP LARUS Limited, HK 11830 1935 1870 Instituto Costarricense de Electricidad y Telec 56041 1852 1769 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1900 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1719 1667 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 46198 UNALLOCATED 8.10.6.0/24 23520 LIBERTY-NETWORKS - Colu 46198 UNALLOCATED 8.10.7.0/24 23520 LIBERTY-NETWORKS - Colu 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4 - AT&T En 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4 - AT&T En 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 - Hurricane Electric LLC, 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 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.176.104.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.176.104.0/24 Transit: 36352 AS-COLOCROSSING - HostPapa, 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 /10:31 /11:54 /12:161 /13:214 /14:576 /15:1085 /16:7450 /17:3448 /18:4177 /19:7667 /20:12990 /21:16006 /22:28067 /23:30167 /24:178315 /25:64 /26:84 /27:46 /28:20 /29:7 /30:15 /31:0 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4236 7481 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3063 4764 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2719 14992 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1935 Instituto Costarricense de Electricidad y Telecom., CR 11664 1164 1469 Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1067 1689 Telmex Colombia S.A., CO 36352 1047 2667 AS-COLOCROSSING - HostPapa, US 19901 995 1445 BRIGHTSPEED - Brightspeed, US 6167 991 2154 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:80 2:540 3:996 4:1 5:1117 6:190 7:5 8:615 9:7 11:172 12:796 13:626 14:126 15:409 16:189 17:3 18:913 20:373 21:4 22:188 23:2989 24:789 27:17 28:1 29:19 31:462 32:13 34:10 35:178 36:3431 37:678 38:2618 39:895 40:60 41:1053 42:20 43:215 44:26 45:4328 46:885 47:189 48:97 49:23 50:484 51:550 52:1132 54:233 55:1103 56:11 57:31 58:16 59:26 60:14 61:63 62:656 63:680 64:2221 65:1021 66:2372 67:1190 68:507 69:1181 70:426 71:141 72:711 74:1015 75:261 76:218 77:514 78:540 79:259 80:306 81:433 82:800 83:205 84:394 85:587 86:270 87:228 88:268 89:631 90:120 91:875 92:590 93:960 94:981 95:1270 96:276 97:47 98:471 99:308 100:40 101:30 102:421 103:1149 104:1665 105:195 106:7 107:1826 108:529 109:361 110:61 111:2808 112:1402 113:40 114:32 115:14 116:47 117:1645 118:54 119:74 120:2065 121:38 122:58 123:106 124:63 125:19 126:1 128:509 129:390 130:736 131:1222 132:553 133:214 134:561 135:117 136:663 137:594 138:1089 139:476 140:746 141:469 142:1561 143:843 144:518 145:175 146:648 147:487 148:1056 149:855 150:219 151:936 152:857 153:590 154:2481 155:961 156:2123 157:435 158:683 159:895 160:774 161:729 162:974 163:376 164:732 165:635 166:551 167:728 168:1437 169:164 170:1818 171:102 172:1442 173:805 174:352 175:109 176:738 177:1154 178:645 179:911 180:38 181:2759 182:28 183:1745 184:446 185:3348 186:3799 187:1904 188:1040 189:1936 190:6286 191:610 192:5155 193:1693 194:1120 195:955 196:695 197:676 198:2659 199:2492 200:4493 201:3635 202:1016 203:696 204:2162 205:1819 206:1501 207:1722 208:1610 209:1892 210:354 211:521 212:1079 213:859 214:952 215:36 216:2515 217:541 218:670 219:18 220:26 221:537 222:29 223:1718 End of report