IPv4 R&E Routing Table Report 20:15 GMT Sun 19 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: 291029 Prefixes after maximum aggregation (per Origin AS): 118342 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 148515 Number of IPv4 prefixes with a valid ROA: 150097 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140718 Total ASes present in the Internet Routing Table: 20221 Prefixes per ASN: 14.39 Origin-only ASes present in the Internet Routing Table: 17378 Origin ASes announcing only one prefix: 7810 Transit ASes present in the Internet Routing Table: 2843 Transit-only ASes present in the Internet Routing Table: 710 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: 49402 Number of 32-bit ASNs visible in the Routing Table: 8271 Prefixes from 32-bit ASNs in the Routing Table: 35016 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: 1619909669 Equivalent to 96 /8s, 141 /16s and 220 /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: 94583 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42568 Total APNIC prefixes after maximum aggregation: 7836 APNIC Deaggregation factor: 5.43 Prefixes being announced from the APNIC address blocks: 39093 Unique aggregates announced from the APNIC address blocks: 7585 APNIC Region origin ASes present in the Internet Routing Table: 1184 APNIC Prefixes per ASN: 33.02 APNIC Region origin ASes announcing only one prefix: 477 APNIC Region transit ASes present in the Internet Routing Table: 201 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 573 Number of APNIC addresses announced to Internet: 168398956 Equivalent to 10 /8s, 9 /16s and 144 /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: 128518 Total ARIN prefixes after maximum aggregation: 65663 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125804 Unique aggregates announced from the ARIN address blocks: 71501 ARIN Region origin ASes present in the Internet Routing Table: 8925 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 3705 ARIN Region transit ASes present in the Internet Routing Table: 833 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: 2151 Number of ARIN addresses announced to Internet: 1017888553 Equivalent to 60 /8s, 171 /16s and 191 /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: 51935 Total RIPE prefixes after maximum aggregation: 25755 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55159 Unique aggregates announced from the RIPE address blocks: 38109 RIPE Region origin ASes present in the Internet Routing Table: 4506 RIPE Prefixes per ASN: 12.24 RIPE Region origin ASes announcing only one prefix: 1926 RIPE Region transit ASes present in the Internet Routing Table: 710 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: 1931 Number of RIPE addresses announced to Internet: 283084240 Equivalent to 16 /8s, 223 /16s and 133 /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: 16503 LACNIC Deaggregation factor: 3.53 Prefixes being announced from the LACNIC address blocks: 55645 Unique aggregates announced from the LACNIC address blocks: 24258 LACNIC Region origin ASes present in the Internet Routing Table: 4496 LACNIC Prefixes per ASN: 12.38 LACNIC Region origin ASes announcing only one prefix: 1588 LACNIC Region transit ASes present in the Internet Routing Table: 903 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: 3462 Number of LACNIC addresses announced to Internet: 106687424 Equivalent to 6 /8s, 91 /16s and 235 /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: 9605 Total AfriNIC prefixes after maximum aggregation: 2412 AfriNIC Deaggregation factor: 3.98 Prefixes being announced from the AfriNIC address blocks: 15216 Unique aggregates announced from the AfriNIC address blocks: 6977 AfriNIC Region origin ASes present in the Internet Routing Table: 279 AfriNIC Prefixes per ASN: 54.54 AfriNIC Region origin ASes announcing only one prefix: 114 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: 154 Number of AfriNIC addresses announced to Internet: 43773952 Equivalent to 2 /8s, 155 /16s and 240 /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 13646 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3423 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2454 154 425 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 1069 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 928 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 819 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 14734 41292 5672 AMAZON-02 - Amazon.com, Inc., US 22773 4771 3100 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2414 197 1114 AS-COLOCROSSING - HostPapa, US 6167 2134 4320 561 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1623 4848 256 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1577 1304 720 DNIC-ASBLK-00306-00371 - United States De 19901 1463 730 674 BRIGHTSPEED - Brightspeed, US 20057 1460 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 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 1488 1334 139 SAUDINETSTC-AS, SA 20940 1280 99 1038 AKAMAI-ASN1, NL 34984 1073 147 748 TELLCOM-AS, TR 8452 913 1841 19 TE-AS TE-AS, EG 3215 905 4832 302 France Telecom - Orange, FR 8376 665 54 29 UNASSIGNED 212238 628 45 558 CDNEXT, GB 35819 572 566 68 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 7367 1939 796 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1435 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 1064 2392 100 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 845 140 44 ENTEL CHILE S.A., CL 52468 680 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 1533 552 27 RAYA-AS, EG 24863 786 125 389 LINKdotNET-AS, EG 37069 771 1100 11 MOBINIL, EG 36935 752 519 43 Vodafone-, EG 36914 549 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 443 927 263 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 14734 41292 5672 AMAZON-02 - Amazon.com, Inc., US 9808 13646 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7367 1939 796 UNINET, MX 39891 4943 305 72 ALJAWWALSTC-AS, SA 22773 4771 3100 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 2454 154 425 LCS-AS-AP LARUS Limited, HK 36352 2414 197 1114 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 13646 13525 CHINAMOBILE-CN China Mobile Communications Grou 8151 7367 6571 UNINET, MX 39891 4943 4871 ALJAWWALSTC-AS, SA 22773 4771 4410 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3423 3234 CMNET-JIANGSU-AP China Mobile communications co 17561 2454 2029 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 /16:7449 /17:3487 /18:4255 /19:7789 /20:13252 /21:16188 /22:28785 /23:30450 /24:176943 /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 7367 UNINET, MX 39891 3628 4943 ALJAWWALSTC-AS, SA 22773 3052 4771 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2648 14734 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1130 1435 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2414 AS-COLOCROSSING - HostPapa, US 19901 1016 1463 BRIGHTSPEED - Brightspeed, US 6167 979 2134 CELLCO-PART - Verizon Business, US 209 945 1623 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) ---------------------------------------------- 1:72 2:563 3:1007 4:1 5:1170 6:185 7:5 8:618 9:7 11:172 12:848 13:634 14:121 15:401 16:173 17:3 18:908 20:351 21:4 22:188 23:2915 24:786 27:19 28:1 29:19 31:457 32:13 34:9 35:177 36:3374 37:632 38:2639 39:868 40:54 41:1071 42:20 43:214 44:26 45:4395 46:895 47:187 48:65 49:23 50:480 51:527 52:1115 54:278 55:1112 56:11 57:25 58:18 59:27 60:14 61:55 62:633 63:683 64:2226 65:1000 66:2466 67:1212 68:482 69:1197 70:421 71:142 72:736 74:1004 75:264 76:219 77:531 78:559 79:249 80:339 81:410 82:825 83:206 84:369 85:624 86:243 87:234 88:284 89:603 90:118 91:933 92:645 93:932 94:967 95:1265 96:274 97:44 98:465 99:291 100:39 101:27 102:380 103:1096 104:1633 105:146 106:7 107:1775 108:527 109:372 110:62 111:2805 112:1323 113:40 114:32 115:9 116:54 117:1641 118:57 119:77 120:2037 121:36 122:47 123:106 124:60 125:19 126:1 128:506 129:384 130:715 131:1262 132:549 133:214 134:530 135:133 136:711 137:595 138:1072 139:456 140:744 141:454 142:1538 143:885 144:510 145:167 146:670 147:494 148:1016 149:766 150:225 151:928 152:834 153:386 154:2631 155:984 156:1808 157:421 158:676 159:885 160:679 161:696 162:987 163:430 164:724 165:635 166:552 167:730 168:1450 169:168 170:1853 171:104 172:1398 173:826 174:354 175:127 176:759 177:1128 178:654 179:892 180:39 181:2645 182:25 183:1720 184:460 185:3306 186:3619 187:1737 188:997 189:1998 190:6259 191:556 192:5102 193:1707 194:1108 195:940 196:677 197:687 198:2637 199:2473 200:4445 201:3606 202:1013 203:710 204:2192 205:1801 206:1493 207:1709 208:1623 209:2016 210:353 211:514 212:1107 213:887 214:957 215:36 216:2503 217:547 218:670 219:18 220:27 221:537 222:28 223:1709 End of report