IPv4 R&E Routing Table Report 20:15 GMT Tue 26 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: 290329 Prefixes after maximum aggregation (per Origin AS): 118870 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 149077 Number of IPv4 prefixes with a valid ROA: 165536 Number of IPv4 prefixes with an invalid ROA: 212 Number of IPv4 prefixes with no ROA: 124581 Total ASes present in the Internet Routing Table: 20121 Prefixes per ASN: 14.43 Origin-only ASes present in the Internet Routing Table: 17288 Origin ASes announcing only one prefix: 7757 Transit ASes present in the Internet Routing Table: 2833 Transit-only ASes present in the Internet Routing Table: 709 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: 280 Number of instances of unregistered ASNs: 309 Number of 32-bit ASNs allocated by the RIRs: 49887 Number of 32-bit ASNs visible in the Routing Table: 8252 Prefixes from 32-bit ASNs in the Routing Table: 35138 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: 92 Number of addresses announced to Internet: 1614709253 Equivalent to 96 /8s, 62 /16s and 130 /24s Percentage of available address space announced: 43.6 Percentage of allocated address space announced: 43.6 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: 94136 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42787 Total APNIC prefixes after maximum aggregation: 7930 APNIC Deaggregation factor: 5.40 Prefixes being announced from the APNIC address blocks: 39386 Unique aggregates announced from the APNIC address blocks: 7721 APNIC Region origin ASes present in the Internet Routing Table: 1201 APNIC Prefixes per ASN: 32.79 APNIC Region origin ASes announcing only one prefix: 479 APNIC Region transit ASes present in the Internet Routing Table: 206 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: 591 Number of APNIC addresses announced to Internet: 167949932 Equivalent to 10 /8s, 2 /16s and 182 /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: 128022 Total ARIN prefixes after maximum aggregation: 65361 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125497 Unique aggregates announced from the ARIN address blocks: 71024 ARIN Region origin ASes present in the Internet Routing Table: 8901 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 3690 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: 2167 Number of ARIN addresses announced to Internet: 1018770441 Equivalent to 60 /8s, 185 /16s and 52 /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: 51683 Total RIPE prefixes after maximum aggregation: 26040 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 54673 Unique aggregates announced from the RIPE address blocks: 38043 RIPE Region origin ASes present in the Internet Routing Table: 4531 RIPE Prefixes per ASN: 12.07 RIPE Region origin ASes announcing only one prefix: 1930 RIPE Region transit ASes present in the Internet Routing Table: 717 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1965 Number of RIPE addresses announced to Internet: 280901072 Equivalent to 16 /8s, 190 /16s and 53 /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: 58208 Total LACNIC prefixes after maximum aggregation: 16775 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55473 Unique aggregates announced from the LACNIC address blocks: 24606 LACNIC Region origin ASes present in the Internet Routing Table: 4378 LACNIC Prefixes per ASN: 12.67 LACNIC Region origin ASes announcing only one prefix: 1545 LACNIC Region transit ASes present in the Internet Routing Table: 879 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: 3377 Number of LACNIC addresses announced to Internet: 104915904 Equivalent to 6 /8s, 64 /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: 9349 Total AfriNIC prefixes after maximum aggregation: 2590 AfriNIC Deaggregation factor: 3.61 Prefixes being announced from the AfriNIC address blocks: 15208 Unique aggregates announced from the AfriNIC address blocks: 7607 AfriNIC Region origin ASes present in the Internet Routing Table: 282 AfriNIC Prefixes per ASN: 53.93 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 79 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: 152 Number of AfriNIC addresses announced to Internet: 42102016 Equivalent to 2 /8s, 130 /16s and 109 /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 8737 125 CHINAMOBILE-CN - China Mobile Communicati 56046 3477 887 192 CMNET-Jiangsu-AP - China Mobile communica 17561 2468 155 468 LCS-AS-AP - LARUS Limited, HK 56041 1852 715 83 CMNET-Zhejiang-AP - China Mobile communic 56047 1717 192 52 CMNET-Hunan-AP - China Mobile communicati 24444 1087 500 78 CMNET-V4shandong-AS-AP - Shandong Mobile 24547 933 177 49 CMNET-V4HEBEI-AS-AP - Hebei Mobile Commun 56045 914 481 57 CMNET-Jiangxi-AP - China Mobile communica 45102 862 1248 177 ALIBABA-CN-NET - Alibaba (US) Technology 24445 796 497 67 CMNET-V4henan-AS-AP - Henan Mobile Commun 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 14990 41424 5709 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 2685 201 1239 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 1497 1213 712 DNIC-ASBLK-00306-00371 - United States De 20057 1462 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1451 728 659 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 - Saudi Telecom Company JS 25019 1486 1383 139 SAUDINETSTC-AS - Saudi Telecom Company JS 20940 1284 98 1040 AKAMAI-ASN1 - Akamai International B.V., 34984 1092 141 735 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 923 1841 19 TE-AS - IDDQD-AS, EG 3215 875 4814 339 AS3215 - Orange S.A., FR 212238 815 59 723 CDNEXT - Datacamp Limited, GB 8376 697 53 30 UNSPECIFIED - Jordan Data Communications 51167 565 113 248 CONTABO - Contabo GmbH, DE 35819 563 557 92 Mobily-AS - Etihad Etisalat, a joint stoc 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 AS8151 - UNINET, MX 11830 1935 369 65 AS11830 - Instituto Costarricense de Elec 10620 1681 226 1211 AS10620 - Telmex Colombia S.A., CO 11664 1469 277 32 AS11664 - Techtel LMDS Comunicaciones Int 3816 1342 770 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1224 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 26615 1064 2391 99 AS26615 - TIM S/A, BR 18881 985 1127 31 AS18881 - TELEFONICA BRASIL S.A, BR 27651 851 140 44 AS27651 - ENTEL CHILE S.A., CL 52468 692 44 240 AS52468 - 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 Vodafone Data - Vodafone Data, EG 24863 750 118 372 Link Egypt (Link.NET) - Link Egypt (Link. 37069 743 1100 11 The Egyptian Company for Mobile Services 36935 574 150 151 Vodafone Data - Vodafone Data, EG 36914 551 82 3 Kenya Education Network - Kenya Education 29571 481 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 36903 464 220 314 Office National des Postes et Telecommuni 2018 374 318 69 TENET (The UNINET Project) - TENET (The U 36992 371 436 311 ETISALAT MISR - ETISALAT MISR, EG 37693 349 599 43 OOREDOO TUNISIE SA - OOREDOO TUNISIE SA, 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 14990 41424 5709 AMAZON-02 - Amazon.com, Inc., US 9808 13725 8737 125 CHINAMOBILE-CN - China Mobile Communicati 8151 7481 1858 776 AS8151 - UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4764 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3477 887 192 CMNET-Jiangsu-AP - China Mobile communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2685 201 1239 AS-COLOCROSSING - HostPapa, US 17561 2468 155 468 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 13600 CHINAMOBILE-CN - China Mobile Communications Gr 8151 7481 6705 AS8151 - UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 4764 4400 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3477 3285 CMNET-Jiangsu-AP - China Mobile communications 17561 2468 2000 LCS-AS-AP - LARUS Limited, HK 11830 1935 1870 AS11830 - Instituto Costarricense de Electricid 56041 1852 1769 CMNET-Zhejiang-AP - China Mobile communications 11776 1900 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1717 1665 CMNET-Hunan-AP - China Mobile communications co 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 Communications Inc., 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2 - Heymman Servers Corporation, 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 /15:1084 /16:7441 /17:3447 /18:4175 /19:7644 /20:12902 /21:15908 /22:27989 /23:30099 /24:178285 /25:64 /26:84 /27:46 /28:20 /29:7 /30:16 /31:0 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4237 7481 AS8151 - UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 3063 4764 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2717 14990 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1935 AS11830 - Instituto Costarricense de Electricidad y Telecom., CR 11664 1164 1469 AS11664 - Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1067 1681 AS10620 - Telmex Colombia S.A., CO 36352 1047 2685 AS-COLOCROSSING - HostPapa, US 19901 1001 1451 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 2:545 3:994 4:1 5:1124 6:190 7:5 8:612 9:7 11:172 12:797 13:627 14:125 15:409 16:189 17:3 18:912 20:373 21:4 22:188 23:3011 24:790 27:17 28:1 29:19 31:474 32:13 34:10 35:179 36:3426 37:677 38:2607 39:895 40:60 41:1032 42:20 43:219 44:26 45:4308 46:888 47:189 48:97 49:23 50:480 51:548 52:1136 54:236 55:1021 56:11 57:31 58:16 59:26 60:14 61:64 62:700 63:679 64:2206 65:1019 66:2370 67:1189 68:507 69:1180 70:426 71:141 72:703 74:1013 75:261 76:219 77:513 78:543 79:261 80:305 81:433 82:816 83:201 84:395 85:581 86:271 87:242 88:270 89:627 90:120 91:873 92:590 93:955 94:991 95:1266 96:286 97:47 98:471 99:316 100:40 101:30 102:418 103:1134 104:1669 105:195 106:7 107:1824 108:526 109:361 110:61 111:2811 112:1399 113:35 114:32 115:15 116:47 117:1652 118:54 119:74 120:2069 121:38 122:54 123:106 124:62 125:19 126:1 128:511 129:391 130:737 131:1223 132:548 133:214 134:565 135:118 136:660 137:595 138:1083 139:470 140:745 141:471 142:1559 143:839 144:519 145:175 146:648 147:489 148:1049 149:849 150:218 151:937 152:862 153:597 154:2456 155:960 156:2124 157:432 158:680 159:896 160:703 161:731 162:974 163:377 164:731 165:633 166:552 167:730 168:1488 169:161 170:1844 171:101 172:1464 173:805 174:352 175:109 176:738 177:1154 178:656 179:914 180:38 181:2751 182:28 183:1752 184:446 185:3361 186:3798 187:1918 188:1033 189:1936 190:6282 191:610 192:5168 193:1698 194:1120 195:958 196:683 197:671 198:2658 199:2487 200:4498 201:3657 202:1015 203:709 204:2162 205:1831 206:1515 207:1720 208:1607 209:1881 210:353 211:520 212:1060 213:852 214:954 215:36 216:2499 217:542 218:669 219:18 220:26 221:539 222:28 223:1721 End of report