IPv4 R&E Routing Table Report 20:15 GMT Sun 22 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: 288707 Prefixes after maximum aggregation (per Origin AS): 117127 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 146469 Number of IPv4 prefixes with a valid ROA: 147425 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 141068 Total ASes present in the Internet Routing Table: 20279 Prefixes per ASN: 14.24 Origin-only ASes present in the Internet Routing Table: 17401 Origin ASes announcing only one prefix: 7817 Transit ASes present in the Internet Routing Table: 2878 Transit-only ASes present in the Internet Routing Table: 730 Paths with bogon ASNs present in the IPv4 Routing Table: 12 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: 237 Number of instances of unregistered ASNs: 266 Number of 32-bit ASNs allocated by the RIRs: 49057 Number of 32-bit ASNs visible in the Routing Table: 8280 Prefixes from 32-bit ASNs in the Routing Table: 34480 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: 92 Number of addresses announced to Internet: 1621573253 Equivalent to 96 /8s, 167 /16s and 62 /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: 92933 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42461 Total APNIC prefixes after maximum aggregation: 7975 APNIC Deaggregation factor: 5.32 Prefixes being announced from the APNIC address blocks: 39114 Unique aggregates announced from the APNIC address blocks: 7773 APNIC Region origin ASes present in the Internet Routing Table: 1257 APNIC Prefixes per ASN: 31.12 APNIC Region origin ASes announcing only one prefix: 517 APNIC Region transit ASes present in the Internet Routing Table: 215 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: 610 Number of APNIC addresses announced to Internet: 168884588 Equivalent to 10 /8s, 16 /16s and 249 /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: 128227 Total ARIN prefixes after maximum aggregation: 65133 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 125190 Unique aggregates announced from the ARIN address blocks: 70704 ARIN Region origin ASes present in the Internet Routing Table: 8955 ARIN Prefixes per ASN: 13.98 ARIN Region origin ASes announcing only one prefix: 3691 ARIN Region transit ASes present in the Internet Routing Table: 847 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: 1017835049 Equivalent to 60 /8s, 170 /16s and 238 /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: 50661 Total RIPE prefixes after maximum aggregation: 25203 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 53738 Unique aggregates announced from the RIPE address blocks: 37150 RIPE Region origin ASes present in the Internet Routing Table: 4465 RIPE Prefixes per ASN: 12.04 RIPE Region origin ASes announcing only one prefix: 1913 RIPE Region transit ASes present in the Internet Routing Table: 709 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: 1917 Number of RIPE addresses announced to Internet: 281661008 Equivalent to 16 /8s, 201 /16s and 206 /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: 57652 Total LACNIC prefixes after maximum aggregation: 16517 LACNIC Deaggregation factor: 3.49 Prefixes being announced from the LACNIC address blocks: 55395 Unique aggregates announced from the LACNIC address blocks: 24338 LACNIC Region origin ASes present in the Internet Routing Table: 4467 LACNIC Prefixes per ASN: 12.40 LACNIC Region origin ASes announcing only one prefix: 1585 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: 3435 Number of LACNIC addresses announced to Internet: 107561376 Equivalent to 6 /8s, 105 /16s and 65 /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: 9469 Total AfriNIC prefixes after maximum aggregation: 2103 AfriNIC Deaggregation factor: 4.50 Prefixes being announced from the AfriNIC address blocks: 15178 Unique aggregates announced from the AfriNIC address blocks: 6421 AfriNIC Region origin ASes present in the Internet Routing Table: 289 AfriNIC Prefixes per ASN: 52.52 AfriNIC Region origin ASes announcing only one prefix: 111 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: 155 Number of AfriNIC addresses announced to Internet: 45490176 Equivalent to 2 /8s, 182 /16s and 32 /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 13572 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3414 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2379 149 482 LCS-AS-AP LARUS Limited, HK 56041 1805 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1712 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 781 497 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 14508 41222 5583 AMAZON-02 - Amazon.com, Inc., US 22773 4778 3101 366 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2520 207 990 AS-COLOCROSSING - HostPapa, US 6167 2047 4263 582 CELLCO-PART - Verizon Business, US 11776 1896 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1629 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1618 1332 742 DNIC-ASBLK-00306-00371 - United States De 19901 1474 739 683 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 1277 1335 141 SAUDINETSTC-AS, SA 20940 1255 97 1017 AKAMAI-ASN1, NL 34984 983 145 731 TELLCOM-AS, TR 8452 923 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 666 54 30 Communications, JO 212238 591 42 525 CDNEXT, GB 51167 565 113 248 CONTABO, DE 35819 552 553 87 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 7329 1916 797 UNINET, MX 11830 1958 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1449 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 967 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 689 43 208 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 841 389 16 LINKdotNET-AS, EG 37069 751 1100 11 MOBINIL, EG 36914 542 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 2018 375 318 69 TENET-1, ZA 36992 367 844 247 ETISALAT-MISR, EG 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 14508 41222 5583 AMAZON-02 - Amazon.com, Inc., US 9808 13572 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7329 1916 797 UNINET, MX 39891 4901 302 73 ALJAWWALSTC-AS, SA 22773 4778 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 36352 2520 207 990 AS-COLOCROSSING - HostPapa, US 17561 2379 149 482 LCS-AS-AP LARUS Limited, HK 6167 2047 4263 582 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 13572 13452 CHINAMOBILE-CN China Mobile Communications Grou 8151 7329 6532 UNINET, MX 39891 4901 4828 ALJAWWALSTC-AS, SA 22773 4778 4412 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3414 3225 CMNET-JIANGSU-AP China Mobile communications co 17561 2379 1897 LCS-AS-AP LARUS Limited, HK 11830 1958 1893 Instituto Costarricense de Electricidad y Telec 56041 1805 1726 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1896 1675 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1712 1662 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 /14:582 /15:1073 /16:7488 /17:3503 /18:4181 /19:7706 /20:13306 /21:16031 /22:28673 /23:29922 /24:175466 /25:66 /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 4061 7329 UNINET, MX 39891 3651 4901 ALJAWWALSTC-AS, SA 22773 3049 4778 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2605 14508 AMAZON-02 - Amazon.com, Inc., US 11830 1667 1958 Instituto Costarricense de Electricidad y Telecom., CR 11664 1138 1449 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1076 2520 AS-COLOCROSSING - HostPapa, US 19901 1027 1474 BRIGHTSPEED - Brightspeed, US 209 947 1629 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 10620 924 1512 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) ---------------------------------------------- 1:73 2:512 3:1000 4:1 5:1146 6:184 7:5 8:622 9:7 11:172 12:855 13:601 14:126 15:400 16:143 17:3 18:912 20:366 21:4 22:188 23:2907 24:845 27:18 28:1 29:19 31:454 32:13 34:9 35:185 36:3342 37:613 38:2504 39:859 40:47 41:1072 42:21 43:211 44:25 45:4464 46:903 47:174 48:39 49:21 50:499 51:463 52:1101 54:272 55:1115 56:11 57:27 58:41 59:34 60:14 61:58 62:625 63:694 64:2204 65:996 66:2396 67:1120 68:488 69:1207 70:430 71:139 72:695 74:1003 75:266 76:236 77:490 78:547 79:247 80:317 81:420 82:836 83:213 84:352 85:589 86:242 87:188 88:280 89:559 90:102 91:920 92:671 93:880 94:966 95:1293 96:274 97:43 98:383 99:284 100:22 101:29 102:413 103:1228 104:1606 105:154 107:1784 108:518 109:357 110:51 111:2790 112:1299 113:33 114:34 115:6 116:57 117:1633 118:65 119:116 120:2026 121:35 122:43 123:106 124:63 125:23 126:1 128:572 129:369 130:725 131:1257 132:555 133:217 134:504 135:134 136:700 137:602 138:1024 139:463 140:745 141:418 142:1522 143:845 144:499 145:180 146:672 147:501 148:1013 149:733 150:234 151:904 152:833 153:297 154:2304 155:999 156:2093 157:462 158:665 159:834 160:664 161:743 162:980 163:425 164:732 165:643 166:558 167:714 168:1459 169:207 170:1859 171:104 172:1387 173:806 174:269 175:88 176:626 177:1059 178:620 179:883 180:35 181:2583 182:31 183:1715 184:448 185:3238 186:3553 187:1749 188:1037 189:1997 190:6215 191:579 192:5166 193:1708 194:1092 195:911 196:645 197:685 198:2684 199:2483 200:4454 201:3620 202:1029 203:739 204:2200 205:1817 206:1508 207:1700 208:1617 209:2040 210:315 211:512 212:1004 213:879 214:967 215:35 216:2480 217:539 218:663 219:18 220:28 221:537 222:29 223:1693 End of report