IPv4 R&E Routing Table Report 20:15 GMT Sun 10 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: 292984 Prefixes after maximum aggregation (per Origin AS): 119305 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 150088 Number of IPv4 prefixes with a valid ROA: 152636 Number of IPv4 prefixes with an invalid ROA: 219 Number of IPv4 prefixes with no ROA: 140129 Total ASes present in the Internet Routing Table: 20109 Prefixes per ASN: 14.57 Origin-only ASes present in the Internet Routing Table: 17275 Origin ASes announcing only one prefix: 7720 Transit ASes present in the Internet Routing Table: 2834 Transit-only ASes present in the Internet Routing Table: 703 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: 215 Number of instances of unregistered ASNs: 244 Number of 32-bit ASNs allocated by the RIRs: 49723 Number of 32-bit ASNs visible in the Routing Table: 8236 Prefixes from 32-bit ASNs in the Routing Table: 35671 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: 88 Number of addresses announced to Internet: 1621487141 Equivalent to 96 /8s, 165 /16s and 238 /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: 95349 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42920 Total APNIC prefixes after maximum aggregation: 7962 APNIC Deaggregation factor: 5.39 Prefixes being announced from the APNIC address blocks: 39405 Unique aggregates announced from the APNIC address blocks: 7764 APNIC Region origin ASes present in the Internet Routing Table: 1190 APNIC Prefixes per ASN: 33.11 APNIC Region origin ASes announcing only one prefix: 464 APNIC Region transit ASes present in the Internet Routing Table: 203 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 573 Number of APNIC addresses announced to Internet: 168438380 Equivalent to 10 /8s, 10 /16s and 42 /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: 128698 Total ARIN prefixes after maximum aggregation: 65472 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 126117 Unique aggregates announced from the ARIN address blocks: 71409 ARIN Region origin ASes present in the Internet Routing Table: 8925 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 3702 ARIN Region transit ASes present in the Internet Routing Table: 843 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2167 Number of ARIN addresses announced to Internet: 1019290153 Equivalent to 60 /8s, 193 /16s and 34 /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: 52825 Total RIPE prefixes after maximum aggregation: 26287 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 55930 Unique aggregates announced from the RIPE address blocks: 38645 RIPE Region origin ASes present in the Internet Routing Table: 4505 RIPE Prefixes per ASN: 12.42 RIPE Region origin ASes announcing only one prefix: 1910 RIPE Region transit ASes present in the Internet Routing Table: 708 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: 1963 Number of RIPE addresses announced to Internet: 283301072 Equivalent to 16 /8s, 226 /16s and 212 /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: 58434 Total LACNIC prefixes after maximum aggregation: 16710 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 55719 Unique aggregates announced from the LACNIC address blocks: 24516 LACNIC Region origin ASes present in the Internet Routing Table: 4395 LACNIC Prefixes per ASN: 12.68 LACNIC Region origin ASes announcing only one prefix: 1535 LACNIC Region transit ASes present in the Internet Routing Table: 888 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: 3381 Number of LACNIC addresses announced to Internet: 106562240 Equivalent to 6 /8s, 90 /16s and 2 /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: 9892 Total AfriNIC prefixes after maximum aggregation: 2710 AfriNIC Deaggregation factor: 3.65 Prefixes being announced from the AfriNIC address blocks: 15725 Unique aggregates announced from the AfriNIC address blocks: 7677 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 56.97 AfriNIC Region origin ASes announcing only one prefix: 109 AfriNIC Region transit ASes present in the Internet Routing Table: 76 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: 152 Number of AfriNIC addresses announced to Internet: 43826944 Equivalent to 2 /8s, 156 /16s and 191 /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 13677 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3474 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2431 153 451 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 1075 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 14926 41296 5701 AMAZON-02 - Amazon.com, Inc., US 22773 4776 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2531 192 1112 AS-COLOCROSSING - HostPapa, US 6167 2149 4362 556 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1511 1245 726 DNIC-ASBLK-00306-00371 - United States De 20057 1459 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 1510 1384 141 SAUDINETSTC-AS, SA 20940 1236 95 1014 AKAMAI-ASN1, NL 34984 1022 142 732 TELLCOM-AS, TR 8452 931 1841 19 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 791 57 699 CDNEXT, GB 8376 675 53 30 UNASSIGNED 35819 591 581 78 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 7625 1898 778 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 1226 379 23 INTEGRATEL PERU S.A.A., PE 26615 1062 2391 99 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 661 42 248 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 1516 553 29 RAYA-AS, EG 37069 775 1100 11 MOBINIL, EG 36935 765 173 178 Vodafone-, EG 24863 739 116 369 LINKdotNET-AS, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36914 555 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 36992 461 637 337 ETISALAT-MISR, EG 2018 372 318 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 14926 41296 5701 AMAZON-02 - Amazon.com, Inc., US 9808 13677 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7625 1898 778 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4776 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3474 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2531 192 1112 AS-COLOCROSSING - HostPapa, US 17561 2431 153 451 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 13677 13556 CHINAMOBILE-CN China Mobile Communications Grou 8151 7625 6847 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4776 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3474 3285 CMNET-JIANGSU-AP China Mobile communications co 17561 2431 1980 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 1895 1674 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 /11:54 /12:160 /13:216 /14:579 /15:1082 /16:7467 /17:3508 /18:4254 /19:7792 /20:13336 /21:16255 /22:28739 /23:30389 /24:178813 /25:64 /26:83 /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 4279 7625 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3057 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2689 14926 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 1052 2531 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) ---------------------------------------------- 1:79 2:547 3:1001 4:1 5:1170 6:187 7:5 8:617 9:7 11:172 12:830 13:637 14:125 15:405 16:182 17:3 18:914 20:371 21:4 22:188 23:3015 24:793 27:18 28:1 29:19 31:454 32:13 34:12 35:178 36:3430 37:671 38:2623 39:878 40:60 41:1074 42:20 43:219 44:27 45:4366 46:899 47:188 48:67 49:24 50:477 51:546 52:1119 54:275 55:1016 56:11 57:32 58:17 59:27 60:14 61:56 62:662 63:683 64:2227 65:1017 66:2473 67:1191 68:502 69:1180 70:422 71:140 72:740 74:1036 75:260 76:221 77:527 78:559 79:272 80:343 81:428 82:825 83:214 84:398 85:631 86:251 87:232 88:280 89:624 90:122 91:941 92:617 93:936 94:991 95:1271 96:274 97:46 98:469 99:298 100:40 101:30 102:414 103:1143 104:1670 105:164 106:7 107:1841 108:529 109:381 110:62 111:2816 112:1326 113:40 114:32 115:16 116:53 117:1641 118:54 119:77 120:2048 121:38 122:44 123:106 124:63 125:19 126:1 128:505 129:390 130:725 131:1274 132:551 133:214 134:535 135:119 136:680 137:595 138:1088 139:459 140:748 141:474 142:1564 143:852 144:521 145:173 146:674 147:499 148:1056 149:839 150:216 151:903 152:844 153:544 154:2488 155:969 156:2107 157:436 158:682 159:896 160:775 161:704 162:976 163:364 164:720 165:636 166:560 167:711 168:1464 169:162 170:1867 171:104 172:1496 173:810 174:352 175:129 176:746 177:1142 178:650 179:928 180:37 181:2647 182:27 183:1732 184:446 185:3360 186:3733 187:1906 188:1051 189:1996 190:6230 191:639 192:5127 193:1704 194:1119 195:948 196:680 197:672 198:2663 199:2490 200:4545 201:3614 202:1013 203:717 204:2190 205:1837 206:1520 207:1716 208:1624 209:2007 210:352 211:518 212:1084 213:873 214:952 215:36 216:2515 217:544 218:669 219:18 220:27 221:536 222:28 223:1713 End of report