IPv4 R&E Routing Table Report 20:15 GMT Fri 22 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: 290982 Prefixes after maximum aggregation (per Origin AS): 118900 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 149065 Number of IPv4 prefixes with a valid ROA: 161809 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 128960 Total ASes present in the Internet Routing Table: 20134 Prefixes per ASN: 14.45 Origin-only ASes present in the Internet Routing Table: 17290 Origin ASes announcing only one prefix: 7742 Transit ASes present in the Internet Routing Table: 2844 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: 35 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 281 Number of instances of unregistered ASNs: 310 Number of 32-bit ASNs allocated by the RIRs: 49865 Number of 32-bit ASNs visible in the Routing Table: 8264 Prefixes from 32-bit ASNs in the Routing Table: 35369 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: 94 Number of addresses announced to Internet: 1617471237 Equivalent to 96 /8s, 104 /16s and 167 /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: 94323 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42873 Total APNIC prefixes after maximum aggregation: 7997 APNIC Deaggregation factor: 5.36 Prefixes being announced from the APNIC address blocks: 39447 Unique aggregates announced from the APNIC address blocks: 7807 APNIC Region origin ASes present in the Internet Routing Table: 1219 APNIC Prefixes per ASN: 32.36 APNIC Region origin ASes announcing only one prefix: 489 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: 594 Number of APNIC addresses announced to Internet: 168188780 Equivalent to 10 /8s, 6 /16s and 91 /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: 128299 Total ARIN prefixes after maximum aggregation: 65466 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125668 Unique aggregates announced from the ARIN address blocks: 71041 ARIN Region origin ASes present in the Internet Routing Table: 8900 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 3684 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: 2161 Number of ARIN addresses announced to Internet: 1019351305 Equivalent to 60 /8s, 194 /16s and 17 /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: 51723 Total RIPE prefixes after maximum aggregation: 26039 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 54770 Unique aggregates announced from the RIPE address blocks: 38101 RIPE Region origin ASes present in the Internet Routing Table: 4507 RIPE Prefixes per ASN: 12.15 RIPE Region origin ASes announcing only one prefix: 1919 RIPE Region transit ASes present in the Internet Routing Table: 715 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1960 Number of RIPE addresses announced to Internet: 281267664 Equivalent to 16 /8s, 195 /16s and 205 /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: 58373 Total LACNIC prefixes after maximum aggregation: 16790 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55656 Unique aggregates announced from the LACNIC address blocks: 24602 LACNIC Region origin ASes present in the Internet Routing Table: 4394 LACNIC Prefixes per ASN: 12.67 LACNIC Region origin ASes announcing only one prefix: 1537 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: 105111232 Equivalent to 6 /8s, 67 /16s and 222 /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: 9433 Total AfriNIC prefixes after maximum aggregation: 2435 AfriNIC Deaggregation factor: 3.87 Prefixes being announced from the AfriNIC address blocks: 15347 Unique aggregates announced from the AfriNIC address blocks: 7436 AfriNIC Region origin ASes present in the Internet Routing Table: 280 AfriNIC Prefixes per ASN: 54.81 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 77 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: 43482880 Equivalent to 2 /8s, 151 /16s and 127 /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 13725 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3478 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2466 155 465 LCS-AS-AP LARUS Limited, HK 56041 1852 715 83 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1719 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1083 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 933 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 915 481 57 CMNET-JIANGXI-AP China Mobile communicati 45102 839 1242 172 ALIBABA-CN-NET Alibaba US Technology Co., 24445 796 497 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 15033 41427 5721 AMAZON-02 - Amazon.com, Inc., US 22773 4764 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2631 198 1201 AS-COLOCROSSING - HostPapa, US 6167 2154 4364 558 CELLCO-PART - Verizon Business, US 11776 1900 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1618 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1497 1212 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 1489 1383 139 SAUDINETSTC-AS, SA 20940 1243 96 1013 AKAMAI-ASN1, NL 34984 1092 141 735 TELLCOM-AS, TR 8452 927 1841 19 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 777 56 690 CDNEXT, GB 8376 697 53 30 UNASSIGNED 51167 565 113 248 CONTABO, DE 35819 563 557 92 MOBILY-AS Etihad Etisalat Company Mobily, 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 7478 1858 776 UNINET, MX 11830 1935 369 65 Instituto Costarricense de Electricidad y 10620 1688 228 1221 Telmex Colombia S.A., CO 11664 1469 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1223 371 22 INTEGRATEL PERU S.A.A., PE 26615 1065 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 690 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 1459 525 29 RAYA-AS, EG 24863 750 119 370 LINKdotNET-AS, EG 37069 743 1100 11 MOBINIL, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36935 575 515 8 Vodafone-, EG 36914 562 82 3 KENET-AS, KE 36903 464 220 314 MT-MPLS, MA 2018 374 318 69 TENET-1, ZA 36992 370 436 310 ETISALAT-MISR, EG 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 15033 41427 5721 AMAZON-02 - Amazon.com, Inc., US 9808 13725 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7478 1858 776 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4764 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3478 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2631 198 1201 AS-COLOCROSSING - HostPapa, US 17561 2466 155 465 LCS-AS-AP LARUS Limited, HK 6167 2154 4364 558 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 13725 13604 CHINAMOBILE-CN China Mobile Communications Grou 8151 7478 6702 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4764 4400 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3478 3289 CMNET-JIANGSU-AP China Mobile communications co 17561 2466 2001 LCS-AS-AP LARUS Limited, HK 11830 1935 1870 Instituto Costarricense de Electricidad y Telec 56041 1852 1769 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1900 1674 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 23.176.104.0/24 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 /13:214 /14:576 /15:1085 /16:7449 /17:3448 /18:4180 /19:7671 /20:12996 /21:16016 /22:28103 /23:30184 /24:178496 /25:64 /26:84 /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 4233 7478 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3063 4764 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2720 15033 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1935 Instituto Costarricense de Electricidad y Telecom., CR 11664 1164 1469 Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1066 1688 Telmex Colombia S.A., CO 36352 1047 2631 AS-COLOCROSSING - HostPapa, US 19901 1001 1451 BRIGHTSPEED - Brightspeed, US 6167 991 2154 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:80 2:540 3:999 4:1 5:1116 6:190 7:5 8:615 9:7 11:172 12:797 13:643 14:126 15:409 16:189 17:3 18:913 20:373 21:4 22:188 23:3004 24:789 27:17 28:1 29:19 31:460 32:13 34:10 35:178 36:3431 37:677 38:2604 39:895 40:60 41:1051 42:20 43:214 44:26 45:4325 46:890 47:189 48:91 49:23 50:482 51:548 52:1131 54:238 55:1107 56:11 57:31 58:16 59:26 60:14 61:63 62:659 63:683 64:2202 65:1023 66:2378 67:1191 68:509 69:1181 70:424 71:141 72:717 74:1014 75:261 76:218 77:506 78:541 79:258 80:307 81:433 82:799 83:205 84:395 85:590 86:271 87:229 88:268 89:633 90:120 91:880 92:591 93:959 94:978 95:1270 96:275 97:47 98:471 99:308 100:40 101:31 102:382 103:1147 104:1669 105:195 106:7 107:1829 108:532 109:362 110:61 111:2808 112:1402 113:40 114:32 115:14 116:50 117:1645 118:54 119:74 120:2065 121:38 122:58 123:106 124:64 125:19 126:1 128:512 129:390 130:737 131:1226 132:553 133:214 134:562 135:117 136:661 137:594 138:1093 139:475 140:746 141:469 142:1561 143:844 144:520 145:174 146:651 147:491 148:1057 149:855 150:220 151:935 152:857 153:589 154:2491 155:959 156:2129 157:436 158:685 159:898 160:773 161:729 162:981 163:374 164:732 165:635 166:551 167:731 168:1482 169:164 170:1832 171:102 172:1443 173:805 174:353 175:108 176:740 177:1154 178:646 179:913 180:38 181:2759 182:28 183:1746 184:449 185:3355 186:3804 187:1904 188:1043 189:1934 190:6317 191:611 192:5123 193:1698 194:1122 195:958 196:695 197:683 198:2660 199:2495 200:4489 201:3636 202:1016 203:725 204:2162 205:1827 206:1499 207:1724 208:1608 209:1888 210:354 211:524 212:1078 213:860 214:952 215:36 216:2523 217:542 218:670 219:18 220:26 221:537 222:29 223:1718 End of report