IPv4 R&E Routing Table Report 20:15 GMT Tue 12 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: 293474 Prefixes after maximum aggregation (per Origin AS): 119361 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 150090 Number of IPv4 prefixes with a valid ROA: 154004 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 139255 Total ASes present in the Internet Routing Table: 20208 Prefixes per ASN: 14.52 Origin-only ASes present in the Internet Routing Table: 17354 Origin ASes announcing only one prefix: 7742 Transit ASes present in the Internet Routing Table: 2854 Transit-only ASes present in the Internet Routing Table: 727 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: 211 Number of instances of unregistered ASNs: 240 Number of 32-bit ASNs allocated by the RIRs: 49733 Number of 32-bit ASNs visible in the Routing Table: 8271 Prefixes from 32-bit ASNs in the Routing Table: 35847 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: 89 Number of addresses announced to Internet: 1623906853 Equivalent to 96 /8s, 202 /16s and 218 /24s Percentage of available address space announced: 43.9 Percentage of allocated address space announced: 43.9 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: 95583 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43028 Total APNIC prefixes after maximum aggregation: 8003 APNIC Deaggregation factor: 5.38 Prefixes being announced from the APNIC address blocks: 39428 Unique aggregates announced from the APNIC address blocks: 7788 APNIC Region origin ASes present in the Internet Routing Table: 1214 APNIC Prefixes per ASN: 32.48 APNIC Region origin ASes announcing only one prefix: 478 APNIC Region transit ASes present in the Internet Routing Table: 216 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 598 Number of APNIC addresses announced to Internet: 168296300 Equivalent to 10 /8s, 7 /16s and 255 /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: 128338 Total ARIN prefixes after maximum aggregation: 65383 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125706 Unique aggregates announced from the ARIN address blocks: 71117 ARIN Region origin ASes present in the Internet Routing Table: 8926 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 3688 ARIN Region transit ASes present in the Internet Routing Table: 838 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: 2163 Number of ARIN addresses announced to Internet: 1018563881 Equivalent to 60 /8s, 182 /16s and 13 /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: 53349 Total RIPE prefixes after maximum aggregation: 26497 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 56368 Unique aggregates announced from the RIPE address blocks: 38992 RIPE Region origin ASes present in the Internet Routing Table: 4562 RIPE Prefixes per ASN: 12.36 RIPE Region origin ASes announcing only one prefix: 1931 RIPE Region transit ASes present in the Internet Routing Table: 725 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: 283500240 Equivalent to 16 /8s, 229 /16s and 222 /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: 58552 Total LACNIC prefixes after maximum aggregation: 16770 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55856 Unique aggregates announced from the LACNIC address blocks: 24628 LACNIC Region origin ASes present in the Internet Routing Table: 4388 LACNIC Prefixes per ASN: 12.73 LACNIC Region origin ASes announcing only one prefix: 1535 LACNIC Region transit ASes present in the Internet Routing Table: 887 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: 3374 Number of LACNIC addresses announced to Internet: 106997696 Equivalent to 6 /8s, 96 /16s and 167 /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: 9996 Total AfriNIC prefixes after maximum aggregation: 2546 AfriNIC Deaggregation factor: 3.93 Prefixes being announced from the AfriNIC address blocks: 16027 Unique aggregates announced from the AfriNIC address blocks: 7487 AfriNIC Region origin ASes present in the Internet Routing Table: 275 AfriNIC Prefixes per ASN: 58.28 AfriNIC Region origin ASes announcing only one prefix: 110 AfriNIC Region transit ASes present in the Internet Routing Table: 74 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: 153 Number of AfriNIC addresses announced to Internet: 46480128 Equivalent to 2 /8s, 197 /16s and 59 /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 13697 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3469 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2448 154 466 LCS-AS-AP LARUS Limited, HK 56041 1821 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1718 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1079 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 931 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 834 1226 172 ALIBABA-CN-NET Alibaba US Technology Co., 24445 788 497 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 14948 41327 5705 AMAZON-02 - Amazon.com, Inc., US 22773 4779 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2528 191 1111 AS-COLOCROSSING - HostPapa, US 6167 2149 4362 556 CELLCO-PART - Verizon Business, US 11776 1893 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1488 1208 713 DNIC-ASBLK-00306-00371 - United States De 20057 1461 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1453 728 660 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 1493 1384 141 SAUDINETSTC-AS, SA 20940 1244 96 1018 AKAMAI-ASN1, NL 34984 1107 143 749 TELLCOM-AS, TR 8452 1044 1852 14 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 790 57 698 CDNEXT, GB 8376 682 53 30 UNASSIGNED 35819 575 565 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 7642 2003 807 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 1225 379 23 INTEGRATEL PERU S.A.A., PE 26615 1060 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 669 42 247 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 1519 557 31 RAYA-AS, EG 24863 753 119 369 LINKdotNET-AS, EG 37069 747 1100 11 MOBINIL, EG 36935 736 165 171 Vodafone-, EG 36992 616 1293 198 ETISALAT-MISR, EG 29571 602 70 18 ORANGE-COTE-IVOIRE, CI 36914 548 82 3 KENET-AS, KE 36903 464 220 314 MT-MPLS, MA 2018 373 318 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 14948 41327 5705 AMAZON-02 - Amazon.com, Inc., US 9808 13697 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7642 2003 807 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4779 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3469 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2528 191 1111 AS-COLOCROSSING - HostPapa, US 17561 2448 154 466 LCS-AS-AP LARUS Limited, HK 6167 2149 4362 556 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 13697 13576 CHINAMOBILE-CN China Mobile Communications Grou 8151 7642 6835 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4779 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3469 3280 CMNET-JIANGSU-AP China Mobile communications co 17561 2448 1982 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1821 1742 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1893 1667 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 1666 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 23.176.104.0/24 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 /11:55 /12:161 /13:218 /14:580 /15:1084 /16:7463 /17:3510 /18:4303 /19:7843 /20:13242 /21:16266 /22:28897 /23:30332 /24:179185 /25:61 /26:81 /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 4211 7642 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3058 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2695 14948 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 1051 2528 AS-COLOCROSSING - HostPapa, US 19901 1003 1453 BRIGHTSPEED - Brightspeed, US 6167 986 2149 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 2:556 3:1004 4:1 5:1173 6:187 7:5 8:618 9:7 11:172 12:823 13:633 14:125 15:406 16:182 17:3 18:914 20:371 21:4 22:188 23:2919 24:790 27:18 28:1 29:19 31:456 32:13 34:10 35:177 36:3451 37:681 38:2609 39:879 40:60 41:1080 42:20 43:221 44:27 45:4347 46:920 47:189 48:69 49:24 50:478 51:544 52:1129 54:277 55:1019 56:11 57:32 58:16 59:27 60:14 61:56 62:656 63:684 64:2240 65:1026 66:2474 67:1193 68:501 69:1188 70:423 71:141 72:746 74:1039 75:260 76:221 77:512 78:561 79:269 80:346 81:424 82:821 83:214 84:398 85:635 86:260 87:235 88:286 89:636 90:121 91:941 92:607 93:937 94:987 95:1283 96:273 97:46 98:468 99:302 100:41 101:30 102:423 103:1171 104:1670 105:177 106:7 107:1836 108:528 109:384 110:61 111:2811 112:1327 113:40 114:33 115:16 116:53 117:1639 118:54 119:76 120:2056 121:38 122:44 123:106 124:64 125:19 126:1 128:506 129:390 130:736 131:1205 132:565 133:213 134:533 135:119 136:680 137:597 138:1097 139:461 140:748 141:473 142:1565 143:855 144:523 145:173 146:681 147:500 148:1240 149:846 150:222 151:938 152:861 153:583 154:2518 155:970 156:2128 157:437 158:687 159:896 160:770 161:711 162:977 163:368 164:722 165:637 166:559 167:709 168:1484 169:163 170:1869 171:103 172:1502 173:811 174:353 175:126 176:776 177:1162 178:651 179:930 180:38 181:2649 182:28 183:1737 184:447 185:3391 186:3749 187:1890 188:1046 189:1893 190:6253 191:623 192:5070 193:1706 194:1126 195:959 196:685 197:684 198:2651 199:2487 200:4486 201:3630 202:1011 203:728 204:2186 205:1840 206:1520 207:1716 208:1622 209:1967 210:351 211:519 212:1106 213:915 214:950 215:36 216:2520 217:555 218:669 219:18 220:27 221:536 222:28 223:1714 End of report