IPv4 R&E Routing Table Report 20:15 GMT Tue 21 Apr, 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: 293351 Prefixes after maximum aggregation (per Origin AS): 119415 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 150231 Number of IPv4 prefixes with a valid ROA: 150881 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 142257 Total ASes present in the Internet Routing Table: 20334 Prefixes per ASN: 14.43 Origin-only ASes present in the Internet Routing Table: 17496 Origin ASes announcing only one prefix: 7834 Transit ASes present in the Internet Routing Table: 2838 Transit-only ASes present in the Internet Routing Table: 695 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: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 229 Number of instances of unregistered ASNs: 258 Number of 32-bit ASNs allocated by the RIRs: 49405 Number of 32-bit ASNs visible in the Routing Table: 8320 Prefixes from 32-bit ASNs in the Routing Table: 35339 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: 112 Number of addresses announced to Internet: 1622984453 Equivalent to 96 /8s, 188 /16s and 199 /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: 95247 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42700 Total APNIC prefixes after maximum aggregation: 7891 APNIC Deaggregation factor: 5.41 Prefixes being announced from the APNIC address blocks: 39198 Unique aggregates announced from the APNIC address blocks: 7645 APNIC Region origin ASes present in the Internet Routing Table: 1194 APNIC Prefixes per ASN: 32.83 APNIC Region origin ASes announcing only one prefix: 480 APNIC Region transit ASes present in the Internet Routing Table: 203 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: 574 Number of APNIC addresses announced to Internet: 168551276 Equivalent to 10 /8s, 11 /16s and 227 /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: 130443 Total ARIN prefixes after maximum aggregation: 66517 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 127670 Unique aggregates announced from the ARIN address blocks: 72874 ARIN Region origin ASes present in the Internet Routing Table: 9047 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 3737 ARIN Region transit ASes present in the Internet Routing Table: 848 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: 2187 Number of ARIN addresses announced to Internet: 1019524105 Equivalent to 60 /8s, 196 /16s and 180 /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: 52097 Total RIPE prefixes after maximum aggregation: 25835 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55351 Unique aggregates announced from the RIPE address blocks: 38282 RIPE Region origin ASes present in the Internet Routing Table: 4507 RIPE Prefixes per ASN: 12.28 RIPE Region origin ASes announcing only one prefix: 1919 RIPE Region transit ASes present in the Internet Routing Table: 708 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1947 Number of RIPE addresses announced to Internet: 283620304 Equivalent to 16 /8s, 231 /16s and 179 /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: 58174 Total LACNIC prefixes after maximum aggregation: 16511 LACNIC Deaggregation factor: 3.52 Prefixes being announced from the LACNIC address blocks: 55635 Unique aggregates announced from the LACNIC address blocks: 24242 LACNIC Region origin ASes present in the Internet Routing Table: 4497 LACNIC Prefixes per ASN: 12.37 LACNIC Region origin ASes announcing only one prefix: 1588 LACNIC Region transit ASes present in the Internet Routing Table: 890 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3464 Number of LACNIC addresses announced to Internet: 106620096 Equivalent to 6 /8s, 90 /16s and 228 /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: 9708 Total AfriNIC prefixes after maximum aggregation: 2488 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 15385 Unique aggregates announced from the AfriNIC address blocks: 7103 AfriNIC Region origin ASes present in the Internet Routing Table: 272 AfriNIC Prefixes per ASN: 56.56 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 76 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 148 Number of AfriNIC addresses announced to Internet: 44592128 Equivalent to 2 /8s, 168 /16s and 108 /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 13653 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3423 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2462 155 423 LCS-AS-AP LARUS Limited, HK 56041 1816 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1715 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1070 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 929 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 822 1238 164 ALIBABA-CN-NET Alibaba US Technology Co., 24445 783 497 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 14791 41291 5648 AMAZON-02 - Amazon.com, Inc., US 22773 4770 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2382 195 1096 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1622 4848 256 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1592 1307 733 DNIC-ASBLK-00306-00371 - United States De 7979 1500 97 358 SERVERS-COM - Servers.com, Inc., US 19901 1462 731 666 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 4943 305 72 ALJAWWALSTC-AS, SA 25019 1486 1334 138 SAUDINETSTC-AS, SA 20940 1287 99 1039 AKAMAI-ASN1, NL 34984 1043 145 733 TELLCOM-AS, TR 8452 930 1841 19 TE-AS TE-AS, EG 3215 907 4864 303 France Telecom - Orange, FR 8376 664 54 29 UNASSIGNED 212238 628 45 558 CDNEXT, GB 35819 576 574 66 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 7365 1939 794 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1436 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1246 371 22 INTEGRATEL PERU S.A.A., PE 26615 1063 2391 99 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 845 140 44 ENTEL CHILE S.A., CL 52468 680 43 243 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 1517 552 27 RAYA-AS, EG 24863 786 125 392 LINKdotNET-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 759 521 39 Vodafone-, EG 36914 555 82 3 KENET-AS, KE 36903 519 241 353 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 405 911 254 ETISALAT-MISR, EG 2018 373 318 69 TENET-1, ZA 37693 347 599 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 14791 41291 5648 AMAZON-02 - Amazon.com, Inc., US 9808 13653 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7365 1939 794 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4770 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3423 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2462 155 423 LCS-AS-AP LARUS Limited, HK 36352 2382 195 1096 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 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 13653 13532 CHINAMOBILE-CN China Mobile Communications Grou 8151 7365 6571 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4770 4409 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3423 3234 CMNET-JIANGSU-AP China Mobile communications co 17561 2462 2039 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1816 1737 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1715 1665 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 - Phonos 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 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4 - AT&T En 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4 - AT&T En 26295 UNALLOCATED 12.110.210.0/23 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 23.172.88.0/24 Origin: 399756 TFC-BASE-001 - The Fiber.Company, LLC, Z 23.172.88.0/24 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 /12:159 /13:218 /14:576 /15:1078 /16:7463 /17:3508 /18:4257 /19:7877 /20:13360 /21:16282 /22:28998 /23:30646 /24:178529 /25:64 /26:88 /27:47 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4086 7365 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3053 4770 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2650 14791 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1131 1436 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2382 AS-COLOCROSSING - HostPapa, US 19901 1013 1462 BRIGHTSPEED - Brightspeed, US 6167 979 2134 CELLCO-PART - Verizon Business, US 209 945 1622 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) ---------------------------------------------- 1:71 2:565 3:1009 4:1 5:1176 6:185 7:5 8:628 9:7 11:172 12:845 13:647 14:123 15:400 16:173 17:3 18:913 20:366 21:4 22:188 23:2945 24:790 27:19 28:1 29:19 31:459 32:14 34:9 35:177 36:3371 37:633 38:2651 39:868 40:54 41:1087 42:20 43:216 44:28 45:4408 46:897 47:187 48:67 49:24 50:487 51:529 52:1142 54:283 55:1114 56:11 57:26 58:18 59:27 60:14 61:54 62:629 63:693 64:2238 65:1022 66:2533 67:1244 68:498 69:1281 70:420 71:143 72:750 74:1017 75:287 76:217 77:527 78:560 79:246 80:341 81:415 82:830 83:206 84:369 85:622 86:244 87:235 88:283 89:603 90:119 91:937 92:640 93:933 94:973 95:1268 96:286 97:45 98:473 99:299 100:40 101:29 102:383 103:1119 104:1672 105:156 106:7 107:1778 108:526 109:368 110:62 111:2809 112:1324 113:40 114:33 115:9 116:54 117:1647 118:57 119:75 120:2037 121:36 122:48 123:107 124:60 125:20 126:1 128:516 129:385 130:716 131:1265 132:550 133:214 134:535 135:133 136:713 137:595 138:1069 139:458 140:743 141:454 142:1543 143:875 144:510 145:169 146:679 147:515 148:1029 149:795 150:228 151:927 152:831 153:386 154:2702 155:996 156:1829 157:425 158:683 159:892 160:694 161:710 162:1015 163:433 164:731 165:643 166:552 167:751 168:1468 169:170 170:1889 171:106 172:1596 173:849 174:355 175:119 176:745 177:1112 178:652 179:883 180:38 181:2649 182:28 183:1720 184:459 185:3329 186:3606 187:1750 188:1029 189:1996 190:6256 191:556 192:5156 193:1714 194:1106 195:941 196:676 197:694 198:2659 199:2519 200:4461 201:3594 202:1015 203:712 204:2222 205:1818 206:1521 207:1714 208:1681 209:2085 210:352 211:514 212:1104 213:882 214:959 215:36 216:2547 217:552 218:671 219:18 220:27 221:536 222:28 223:1713 End of report