IPv4 R&E Routing Table Report 20:15 GMT Sun 17 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: 293383 Prefixes after maximum aggregation (per Origin AS): 119359 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149813 Number of IPv4 prefixes with a valid ROA: 154610 Number of IPv4 prefixes with an invalid ROA: 221 Number of IPv4 prefixes with no ROA: 138552 Total ASes present in the Internet Routing Table: 20246 Prefixes per ASN: 14.49 Origin-only ASes present in the Internet Routing Table: 17381 Origin ASes announcing only one prefix: 7784 Transit ASes present in the Internet Routing Table: 2865 Transit-only ASes present in the Internet Routing Table: 731 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: 292 Number of instances of unregistered ASNs: 321 Number of 32-bit ASNs allocated by the RIRs: 49790 Number of 32-bit ASNs visible in the Routing Table: 8290 Prefixes from 32-bit ASNs in the Routing Table: 35750 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: 103 Number of addresses announced to Internet: 1623201285 Equivalent to 96 /8s, 192 /16s and 22 /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: 95544 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42808 Total APNIC prefixes after maximum aggregation: 7944 APNIC Deaggregation factor: 5.39 Prefixes being announced from the APNIC address blocks: 39351 Unique aggregates announced from the APNIC address blocks: 7737 APNIC Region origin ASes present in the Internet Routing Table: 1196 APNIC Prefixes per ASN: 32.90 APNIC Region origin ASes announcing only one prefix: 483 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: 578 Number of APNIC addresses announced to Internet: 168263532 Equivalent to 10 /8s, 7 /16s and 127 /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: 128565 Total ARIN prefixes after maximum aggregation: 65617 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125931 Unique aggregates announced from the ARIN address blocks: 71199 ARIN Region origin ASes present in the Internet Routing Table: 8951 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 3707 ARIN Region transit ASes present in the Internet Routing Table: 843 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: 2173 Number of ARIN addresses announced to Internet: 1019162121 Equivalent to 60 /8s, 191 /16s and 46 /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: 53220 Total RIPE prefixes after maximum aggregation: 26377 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 56207 Unique aggregates announced from the RIPE address blocks: 38737 RIPE Region origin ASes present in the Internet Routing Table: 4549 RIPE Prefixes per ASN: 12.36 RIPE Region origin ASes announcing only one prefix: 1928 RIPE Region transit ASes present in the Internet Routing Table: 730 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1983 Number of RIPE addresses announced to Internet: 282877648 Equivalent to 16 /8s, 220 /16s and 94 /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: 58363 Total LACNIC prefixes after maximum aggregation: 16653 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 55676 Unique aggregates announced from the LACNIC address blocks: 24410 LACNIC Region origin ASes present in the Internet Routing Table: 4414 LACNIC Prefixes per ASN: 12.61 LACNIC Region origin ASes announcing only one prefix: 1551 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: 3396 Number of LACNIC addresses announced to Internet: 106336448 Equivalent to 6 /8s, 86 /16s and 144 /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: 10135 Total AfriNIC prefixes after maximum aggregation: 2588 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 16115 Unique aggregates announced from the AfriNIC address blocks: 7643 AfriNIC Region origin ASes present in the Internet Routing Table: 284 AfriNIC Prefixes per ASN: 56.74 AfriNIC Region origin ASes announcing only one prefix: 115 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 160 Number of AfriNIC addresses announced to Internet: 46489856 Equivalent to 2 /8s, 197 /16s and 97 /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 13702 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2446 154 462 LCS-AS-AP LARUS Limited, HK 56041 1835 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1719 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1081 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 932 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 833 1226 172 ALIBABA-CN-NET Alibaba US Technology Co., 24445 794 497 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 14944 41322 5690 AMAZON-02 - Amazon.com, Inc., US 22773 4786 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 6167 2151 4363 557 CELLCO-PART - Verizon Business, US 11776 1899 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1495 1239 713 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, SA 25019 1501 1383 139 SAUDINETSTC-AS, SA 20940 1263 97 1026 AKAMAI-ASN1, NL 34984 1084 142 737 TELLCOM-AS, TR 8452 1044 1852 14 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 792 57 700 CDNEXT, GB 8376 683 53 30 UNASSIGNED 35819 593 583 77 MOBILY-AS Etihad Etisalat Company Mobily, 51167 565 113 248 CONTABO, DE 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 7630 1896 774 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1448 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1226 371 22 INTEGRATEL PERU S.A.A., PE 26615 1062 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 667 42 246 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 1538 557 31 RAYA-AS, EG 24863 771 124 375 LINKdotNET-AS, EG 36935 747 167 171 Vodafone-, EG 37069 715 1100 11 MOBINIL, EG 36992 620 1299 203 ETISALAT-MISR, EG 29571 603 70 18 ORANGE-COTE-IVOIRE, CI 36914 551 82 3 KENET-AS, KE 36903 463 220 313 MT-MPLS, MA 2018 374 318 69 TENET-1, ZA 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 14944 41322 5690 AMAZON-02 - Amazon.com, Inc., US 9808 13702 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7630 1896 774 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4786 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 17561 2446 154 462 LCS-AS-AP LARUS Limited, HK 6167 2151 4363 557 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 13702 13581 CHINAMOBILE-CN China Mobile Communications Grou 8151 7630 6856 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4786 4423 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3477 3288 CMNET-JIANGSU-AP China Mobile communications co 17561 2446 1984 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1835 1756 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1899 1673 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 23.146.16.0/24 Origin: 396281 AGCOMTECH - AGILITY COMMUNICATIONS AND T 23.146.16.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /11:55 /12:161 /13:216 /14:576 /15:1083 /16:7462 /17:3499 /18:4294 /19:7805 /20:13241 /21:16296 /22:29014 /23:30369 /24:178969 /25:61 /26:82 /27:46 /28:20 /29:7 /30:15 /31:0 /32:56 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4270 7630 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3063 4786 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2699 14944 AMAZON-02 - Amazon.com, Inc., US 11830 1648 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1144 1448 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1047 2523 AS-COLOCROSSING - HostPapa, US 19901 1001 1451 BRIGHTSPEED - Brightspeed, US 6167 988 2151 CELLCO-PART - Verizon Business, US 209 943 1619 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:80 2:557 3:995 4:1 5:1162 6:188 7:5 8:619 9:7 11:172 12:814 13:638 14:125 15:407 16:187 17:3 18:907 20:371 21:4 22:188 23:2925 24:790 27:18 28:1 29:19 31:459 32:13 34:10 35:176 36:3429 37:686 38:2609 39:882 40:60 41:1077 42:20 43:215 44:30 45:4347 46:901 47:188 48:91 49:23 50:478 51:543 52:1129 54:281 55:1103 56:11 57:31 58:16 59:26 60:14 61:56 62:656 63:683 64:2312 65:1030 66:2417 67:1191 68:505 69:1194 70:424 71:141 72:715 74:1014 75:262 76:220 77:515 78:546 79:275 80:332 81:428 82:816 83:211 84:396 85:596 86:259 87:239 88:289 89:626 90:121 91:909 92:605 93:945 94:991 95:1286 96:279 97:46 98:481 99:300 100:40 101:31 102:442 103:1133 104:1681 105:250 106:7 107:1832 108:523 109:387 110:61 111:2810 112:1401 113:40 114:32 115:14 116:51 117:1644 118:54 119:73 120:2061 121:38 122:44 123:106 124:59 125:19 126:1 128:510 129:394 130:737 131:1292 132:551 133:214 134:561 135:119 136:683 137:595 138:1095 139:460 140:747 141:476 142:1570 143:847 144:522 145:172 146:667 147:494 148:1051 149:871 150:220 151:925 152:856 153:587 154:2513 155:972 156:2113 157:437 158:685 159:896 160:769 161:710 162:975 163:371 164:730 165:634 166:561 167:712 168:1468 169:163 170:1857 171:103 172:1466 173:833 174:353 175:107 176:772 177:1201 178:656 179:929 180:37 181:2650 182:28 183:1739 184:450 185:3372 186:3717 187:1880 188:1052 189:1991 190:6268 191:615 192:5104 193:1703 194:1125 195:956 196:704 197:688 198:2664 199:2483 200:4454 201:3593 202:1011 203:713 204:2167 205:1830 206:1504 207:1719 208:1613 209:1895 210:352 211:519 212:1074 213:857 214:954 215:36 216:2530 217:548 218:669 219:18 220:27 221:537 222:29 223:1716 End of report