IPv4 R&E Routing Table Report 20:15 GMT Thu 09 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: 289362 Prefixes after maximum aggregation (per Origin AS): 117936 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 147875 Number of IPv4 prefixes with a valid ROA: 149114 Number of IPv4 prefixes with an invalid ROA: 203 Number of IPv4 prefixes with no ROA: 140045 Total ASes present in the Internet Routing Table: 20281 Prefixes per ASN: 14.27 Origin-only ASes present in the Internet Routing Table: 17414 Origin ASes announcing only one prefix: 7858 Transit ASes present in the Internet Routing Table: 2867 Transit-only ASes present in the Internet Routing Table: 715 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: 213 Number of instances of unregistered ASNs: 242 Number of 32-bit ASNs allocated by the RIRs: 49228 Number of 32-bit ASNs visible in the Routing Table: 8268 Prefixes from 32-bit ASNs in the Routing Table: 34565 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: 97 Number of addresses announced to Internet: 1618764197 Equivalent to 96 /8s, 124 /16s and 97 /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: 93460 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43114 Total APNIC prefixes after maximum aggregation: 8199 APNIC Deaggregation factor: 5.26 Prefixes being announced from the APNIC address blocks: 39391 Unique aggregates announced from the APNIC address blocks: 8041 APNIC Region origin ASes present in the Internet Routing Table: 1305 APNIC Prefixes per ASN: 30.18 APNIC Region origin ASes announcing only one prefix: 538 APNIC Region transit ASes present in the Internet Routing Table: 240 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 680 Number of APNIC addresses announced to Internet: 168353132 Equivalent to 10 /8s, 8 /16s and 221 /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: 127497 Total ARIN prefixes after maximum aggregation: 65135 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124864 Unique aggregates announced from the ARIN address blocks: 70830 ARIN Region origin ASes present in the Internet Routing Table: 8951 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 3717 ARIN Region transit ASes present in the Internet Routing Table: 845 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: 2156 Number of ARIN addresses announced to Internet: 1017849129 Equivalent to 60 /8s, 171 /16s and 37 /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: 51828 Total RIPE prefixes after maximum aggregation: 25624 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 55021 Unique aggregates announced from the RIPE address blocks: 37946 RIPE Region origin ASes present in the Internet Routing Table: 4532 RIPE Prefixes per ASN: 12.14 RIPE Region origin ASes announcing only one prefix: 1940 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: 1948 Number of RIPE addresses announced to Internet: 282453840 Equivalent to 16 /8s, 213 /16s and 231 /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: 56981 Total LACNIC prefixes after maximum aggregation: 16315 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 54520 Unique aggregates announced from the LACNIC address blocks: 23836 LACNIC Region origin ASes present in the Internet Routing Table: 4374 LACNIC Prefixes per ASN: 12.46 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: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3331 Number of LACNIC addresses announced to Internet: 106298816 Equivalent to 6 /8s, 85 /16s and 253 /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: 9729 Total AfriNIC prefixes after maximum aggregation: 2494 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 15469 Unique aggregates announced from the AfriNIC address blocks: 7145 AfriNIC Region origin ASes present in the Internet Routing Table: 285 AfriNIC Prefixes per ASN: 54.28 AfriNIC Region origin ASes announcing only one prefix: 118 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: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 153 Number of AfriNIC addresses announced to Internet: 43734016 Equivalent to 2 /8s, 155 /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 13631 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3421 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2598 163 500 LCS-AS-AP LARUS Limited, HK 56041 1810 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1714 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1068 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 927 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 807 1218 161 ALIBABA-CN-NET Alibaba US Technology Co., 24445 782 497 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 14578 41273 5677 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2371 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1626 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1602 1311 740 DNIC-ASBLK-00306-00371 - United States De 19901 1464 732 676 BRIGHTSPEED - Brightspeed, US 20057 1458 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 4972 306 72 ALJAWWALSTC-AS, SA 25019 1409 1335 139 SAUDINETSTC-AS, SA 20940 1245 96 1014 AKAMAI-ASN1, NL 34984 1104 149 769 TELLCOM-AS, TR 8452 943 1841 19 TE-AS TE-AS, EG 3215 902 4832 302 France Telecom - Orange, FR 8376 667 53 29 UNASSIGNED 212238 598 42 532 CDNEXT, GB 35819 583 581 73 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 6822 1880 818 UNINET, MX 11830 1938 369 65 Instituto Costarricense de Electricidad y 10620 1494 206 1114 Telmex Colombia S.A., CO 11664 1433 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 26615 1059 2392 101 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 669 43 226 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 1542 552 27 RAYA-AS, EG 24863 819 134 403 LINKdotNET-AS, EG 36935 758 521 39 Vodafone-, EG 37069 751 1100 11 MOBINIL, EG 36914 551 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 428 897 266 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 14578 41273 5677 AMAZON-02 - Amazon.com, Inc., US 9808 13631 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6822 1880 818 UNINET, MX 39891 4972 306 72 ALJAWWALSTC-AS, SA 22773 4780 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3421 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2598 163 500 LCS-AS-AP LARUS Limited, HK 36352 2371 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2118 4318 575 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 13631 13511 CHINAMOBILE-CN China Mobile Communications Grou 8151 6822 6004 UNINET, MX 39891 4972 4900 ALJAWWALSTC-AS, SA 22773 4780 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3421 3232 CMNET-JIANGSU-AP China Mobile communications co 17561 2598 2098 LCS-AS-AP LARUS Limited, HK 11830 1938 1873 Instituto Costarricense de Electricidad y Telec 56041 1810 1731 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1714 1664 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 /13:217 /14:575 /15:1078 /16:7461 /17:3489 /18:4217 /19:7674 /20:13241 /21:16002 /22:28578 /23:29999 /24:176274 /25:64 /26:83 /27:50 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3785 6822 UNINET, MX 39891 3656 4972 ALJAWWALSTC-AS, SA 22773 3054 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2623 14578 AMAZON-02 - Amazon.com, Inc., US 11830 1648 1938 Instituto Costarricense de Electricidad y Telecom., CR 11664 1128 1433 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2371 AS-COLOCROSSING - HostPapa, US 19901 1020 1464 BRIGHTSPEED - Brightspeed, US 6167 963 2118 CELLCO-PART - Verizon Business, US 209 944 1626 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 2:527 3:991 4:1 5:1171 6:184 7:5 8:618 9:7 11:172 12:850 13:616 14:132 15:399 16:144 17:3 18:909 20:366 21:4 22:188 23:2866 24:784 27:19 28:1 29:19 31:460 32:13 34:9 35:177 36:3357 37:616 38:2569 39:883 40:52 41:1102 42:20 43:218 44:33 45:4471 46:899 47:186 48:65 49:23 50:482 51:528 52:1095 54:266 55:1121 56:11 57:28 58:103 59:31 60:17 61:54 62:634 63:689 64:2232 65:997 66:2466 67:1135 68:483 69:1178 70:424 71:141 72:718 74:985 75:246 76:227 77:524 78:556 79:241 80:335 81:413 82:841 83:209 84:364 85:607 86:240 87:206 88:285 89:610 90:100 91:924 92:670 93:917 94:977 95:1261 96:272 97:44 98:377 99:286 100:21 101:27 102:376 103:1260 104:1624 105:147 106:7 107:1757 108:525 109:353 110:48 111:2799 112:1321 113:34 114:34 115:29 116:56 117:1662 118:60 119:123 120:2035 121:36 122:46 123:106 124:63 125:17 126:1 128:499 129:379 130:720 131:1257 132:551 133:217 134:527 135:135 136:713 137:599 138:1040 139:458 140:749 141:458 142:1532 143:855 144:493 145:168 146:671 147:507 148:1022 149:760 150:229 151:929 152:834 153:377 154:2534 155:987 156:2033 157:471 158:668 159:866 160:683 161:703 162:992 163:445 164:725 165:650 166:556 167:716 168:1431 169:168 170:1865 171:102 172:1389 173:802 174:269 175:130 176:739 177:1076 178:650 179:894 180:40 181:2592 182:29 183:1720 184:447 185:3313 186:3582 187:1684 188:1024 189:1841 190:6201 191:574 192:5125 193:1706 194:1095 195:957 196:669 197:742 198:2643 199:2477 200:4335 201:3612 202:898 203:631 204:2179 205:1816 206:1501 207:1707 208:1622 209:2044 210:410 211:513 212:1100 213:895 214:954 215:36 216:2492 217:537 218:670 219:18 220:27 221:536 222:30 223:1709 End of report