IPv4 R&E Routing Table Report 20:15 GMT Wed 18 Mar, 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: 287376 Prefixes after maximum aggregation (per Origin AS): 116755 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 145782 Number of IPv4 prefixes with a valid ROA: 146366 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 140796 Total ASes present in the Internet Routing Table: 20249 Prefixes per ASN: 14.19 Origin-only ASes present in the Internet Routing Table: 17375 Origin ASes announcing only one prefix: 7810 Transit ASes present in the Internet Routing Table: 2874 Transit-only ASes present in the Internet Routing Table: 731 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 35 Max AS path prepend of ASN (271935) 30 Prefixes from unregistered ASNs in the Routing Table: 236 Number of instances of unregistered ASNs: 265 Number of 32-bit ASNs allocated by the RIRs: 49005 Number of 32-bit ASNs visible in the Routing Table: 8278 Prefixes from 32-bit ASNs in the Routing Table: 34177 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 93 Number of addresses announced to Internet: 1620831685 Equivalent to 96 /8s, 155 /16s and 237 /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: 92056 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42488 Total APNIC prefixes after maximum aggregation: 7962 APNIC Deaggregation factor: 5.34 Prefixes being announced from the APNIC address blocks: 39016 Unique aggregates announced from the APNIC address blocks: 7719 APNIC Region origin ASes present in the Internet Routing Table: 1262 APNIC Prefixes per ASN: 30.92 APNIC Region origin ASes announcing only one prefix: 519 APNIC Region transit ASes present in the Internet Routing Table: 221 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: 618 Number of APNIC addresses announced to Internet: 168462956 Equivalent to 10 /8s, 10 /16s and 138 /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: 127717 Total ARIN prefixes after maximum aggregation: 65124 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 124773 Unique aggregates announced from the ARIN address blocks: 70583 ARIN Region origin ASes present in the Internet Routing Table: 8941 ARIN Prefixes per ASN: 13.96 ARIN Region origin ASes announcing only one prefix: 3684 ARIN Region transit ASes present in the Internet Routing Table: 842 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: 2159 Number of ARIN addresses announced to Internet: 1017815593 Equivalent to 60 /8s, 170 /16s and 162 /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: 49985 Total RIPE prefixes after maximum aggregation: 24839 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 53114 Unique aggregates announced from the RIPE address blocks: 36687 RIPE Region origin ASes present in the Internet Routing Table: 4416 RIPE Prefixes per ASN: 12.03 RIPE Region origin ASes announcing only one prefix: 1898 RIPE Region transit ASes present in the Internet Routing Table: 705 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1891 Number of RIPE addresses announced to Internet: 281711056 Equivalent to 16 /8s, 202 /16s and 145 /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: 57458 Total LACNIC prefixes after maximum aggregation: 16533 LACNIC Deaggregation factor: 3.48 Prefixes being announced from the LACNIC address blocks: 55171 Unique aggregates announced from the LACNIC address blocks: 24200 LACNIC Region origin ASes present in the Internet Routing Table: 4498 LACNIC Prefixes per ASN: 12.27 LACNIC Region origin ASes announcing only one prefix: 1600 LACNIC Region transit ASes present in the Internet Routing Table: 902 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: 3459 Number of LACNIC addresses announced to Internet: 107240800 Equivalent to 6 /8s, 100 /16s and 93 /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: 9492 Total AfriNIC prefixes after maximum aggregation: 2103 AfriNIC Deaggregation factor: 4.51 Prefixes being announced from the AfriNIC address blocks: 15209 Unique aggregates announced from the AfriNIC address blocks: 6509 AfriNIC Region origin ASes present in the Internet Routing Table: 286 AfriNIC Prefixes per ASN: 53.18 AfriNIC Region origin ASes announcing only one prefix: 109 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 151 Number of AfriNIC addresses announced to Internet: 45523712 Equivalent to 2 /8s, 182 /16s and 163 /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 13559 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2491 156 494 LCS-AS-AP LARUS Limited, HK 56041 1802 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1713 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1063 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 926 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 777 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 45102 708 1210 160 ALIBABA-CN-NET Alibaba US Technology Co., 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 14474 41219 5585 AMAZON-02 - Amazon.com, Inc., US 22773 4775 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2371 194 1089 AS-COLOCROSSING - HostPapa, US 6167 2046 4263 583 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1628 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1625 1337 746 DNIC-ASBLK-00306-00371 - United States De 19901 1475 739 684 BRIGHTSPEED - Brightspeed, US 20057 1456 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 4901 302 73 ALJAWWALSTC-AS, SA 25019 1269 1335 141 SAUDINETSTC-AS, SA 20940 1256 97 1018 AKAMAI-ASN1, NL 34984 982 145 730 TELLCOM-AS, TR 3215 901 4820 301 France Telecom - Orange, FR 8452 893 1841 19 TE-AS TE-AS, EG 8376 667 54 30 Jordan Data Communications, JO 212238 594 42 528 CDNEXT, GB 51167 565 113 248 CONTABO, DE 5511 542 99 461 OPENTRANSIT, FR 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 6988 1838 797 UNINET, MX 11830 1956 369 65 Instituto Costarricense de Electricidad y 10620 1513 211 1128 Telmex Colombia S.A., CO 11664 1451 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1341 770 214 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1244 371 22 INTEGRATEL PERU S.A.A., PE 26615 1053 2475 94 TIM SA, BR 18881 965 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 690 43 207 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 1531 524 27 RAYA-AS, EG 24863 842 389 16 LINKdotNET-AS, EG 37069 751 1100 11 MOBINIL, EG 36914 550 82 3 KENET-AS, KE 36935 540 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 432 78 20 ORANGE-COTE-IVOIRE, CI 36992 406 865 256 ETISALAT-MISR, EG 2018 375 318 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 14474 41219 5585 AMAZON-02 - Amazon.com, Inc., US 9808 13559 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 6988 1838 797 UNINET, MX 39891 4901 302 73 ALJAWWALSTC-AS, SA 22773 4775 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2491 156 494 LCS-AS-AP LARUS Limited, HK 36352 2371 194 1089 AS-COLOCROSSING - HostPapa, US 6167 2046 4263 583 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 13559 13439 CHINAMOBILE-CN China Mobile Communications Grou 8151 6988 6191 UNINET, MX 39891 4901 4828 ALJAWWALSTC-AS, SA 22773 4775 4409 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3414 3225 CMNET-JIANGSU-AP China Mobile communications co 17561 2491 1997 LCS-AS-AP LARUS Limited, HK 11830 1956 1891 Instituto Costarricense de Electricidad y Telec 56041 1802 1723 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1713 1663 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 397665 UNALLOCATED 12.24.28.0/24 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 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 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, 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 /12:159 /13:217 /14:580 /15:1075 /16:7500 /17:3492 /18:4195 /19:7739 /20:13168 /21:16002 /22:28542 /23:29769 /24:174539 /25:65 /26:82 /27:51 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3793 6988 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3046 4775 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2605 14474 AMAZON-02 - Amazon.com, Inc., US 11830 1665 1956 Instituto Costarricense de Electricidad y Telecom., CR 11664 1140 1451 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1029 2371 AS-COLOCROSSING - HostPapa, US 19901 1028 1475 BRIGHTSPEED - Brightspeed, US 209 946 1628 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 925 1513 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:72 2:499 3:1002 4:1 5:1136 6:182 7:5 8:617 9:7 11:172 12:854 13:576 14:119 15:400 16:143 17:3 18:910 20:366 21:4 22:188 23:2903 24:844 27:18 28:1 29:19 31:451 32:12 34:9 35:185 36:3334 37:612 38:2510 39:854 40:47 41:1052 42:21 43:214 44:25 45:4467 46:900 47:174 48:33 49:19 50:499 51:463 52:1098 54:271 55:1104 56:11 57:27 58:43 59:33 60:14 61:58 62:585 63:698 64:2191 65:997 66:2383 67:1103 68:500 69:1204 70:426 71:139 72:692 74:1001 75:267 76:235 77:439 78:539 79:247 80:313 81:385 82:817 83:199 84:329 85:591 86:234 87:186 88:280 89:548 90:102 91:898 92:662 93:880 94:955 95:1287 96:271 97:44 98:381 99:281 100:22 101:28 102:402 103:1223 104:1602 105:154 107:1749 108:512 109:355 110:49 111:2790 112:1298 113:33 114:41 115:7 116:58 117:1626 118:65 119:94 120:2026 121:35 122:43 123:106 124:62 125:23 126:1 128:567 129:371 130:721 131:1271 132:544 133:217 134:503 135:134 136:706 137:600 138:1032 139:463 140:743 141:407 142:1520 143:847 144:500 145:181 146:672 147:503 148:1015 149:744 150:235 151:901 152:827 153:296 154:2371 155:1001 156:2160 157:459 158:668 159:819 160:648 161:700 162:977 163:422 164:729 165:637 166:561 167:716 168:1479 169:206 170:1856 171:104 172:1375 173:794 174:268 175:85 176:622 177:1060 178:613 179:884 180:35 181:2591 182:31 183:1713 184:446 185:3196 186:3565 187:1699 188:1018 189:1939 190:6232 191:572 192:5144 193:1687 194:1073 195:912 196:663 197:682 198:2665 199:2479 200:4380 201:3590 202:1029 203:729 204:2184 205:1822 206:1485 207:1692 208:1619 209:2042 210:319 211:512 212:981 213:867 214:975 215:35 216:2427 217:539 218:659 219:18 220:28 221:537 222:27 223:1693 End of report