IPv4 R&E Routing Table Report 20:15 GMT Sat 16 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: 293580 Prefixes after maximum aggregation (per Origin AS): 119327 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 150025 Number of IPv4 prefixes with a valid ROA: 154597 Number of IPv4 prefixes with an invalid ROA: 221 Number of IPv4 prefixes with no ROA: 138762 Total ASes present in the Internet Routing Table: 20226 Prefixes per ASN: 14.51 Origin-only ASes present in the Internet Routing Table: 17376 Origin ASes announcing only one prefix: 7767 Transit ASes present in the Internet Routing Table: 2850 Transit-only ASes present in the Internet Routing Table: 726 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: 292 Number of instances of unregistered ASNs: 321 Number of 32-bit ASNs allocated by the RIRs: 49776 Number of 32-bit ASNs visible in the Routing Table: 8278 Prefixes from 32-bit ASNs in the Routing Table: 35780 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: 106 Number of addresses announced to Internet: 1623442981 Equivalent to 96 /8s, 195 /16s and 198 /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: 95720 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42839 Total APNIC prefixes after maximum aggregation: 7961 APNIC Deaggregation factor: 5.38 Prefixes being announced from the APNIC address blocks: 39376 Unique aggregates announced from the APNIC address blocks: 7760 APNIC Region origin ASes present in the Internet Routing Table: 1201 APNIC Prefixes per ASN: 32.79 APNIC Region origin ASes announcing only one prefix: 483 APNIC Region transit ASes present in the Internet Routing Table: 205 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: 577 Number of APNIC addresses announced to Internet: 168205164 Equivalent to 10 /8s, 6 /16s and 155 /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: 128706 Total ARIN prefixes after maximum aggregation: 65549 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126081 Unique aggregates announced from the ARIN address blocks: 71383 ARIN Region origin ASes present in the Internet Routing Table: 8936 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 3700 ARIN Region transit ASes present in the Internet Routing Table: 836 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: 2169 Number of ARIN addresses announced to Internet: 1019162921 Equivalent to 60 /8s, 191 /16s and 49 /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: 53286 Total RIPE prefixes after maximum aggregation: 26418 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 56271 Unique aggregates announced from the RIPE address blocks: 38786 RIPE Region origin ASes present in the Internet Routing Table: 4562 RIPE Prefixes per ASN: 12.33 RIPE Region origin ASes announcing only one prefix: 1931 RIPE Region transit ASes present in the Internet Routing Table: 728 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: 1987 Number of RIPE addresses announced to Internet: 283203024 Equivalent to 16 /8s, 225 /16s and 85 /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: 58339 Total LACNIC prefixes after maximum aggregation: 16624 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 55649 Unique aggregates announced from the LACNIC address blocks: 24376 LACNIC Region origin ASes present in the Internet Routing Table: 4393 LACNIC Prefixes per ASN: 12.67 LACNIC Region origin ASes announcing only one prefix: 1536 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: 3383 Number of LACNIC addresses announced to Internet: 106362816 Equivalent to 6 /8s, 86 /16s and 247 /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: 10118 Total AfriNIC prefixes after maximum aggregation: 2595 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 16097 Unique aggregates announced from the AfriNIC address blocks: 7630 AfriNIC Region origin ASes present in the Internet Routing Table: 287 AfriNIC Prefixes per ASN: 56.09 AfriNIC Region origin ASes announcing only one prefix: 117 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: 162 Number of AfriNIC addresses announced to Internet: 46436608 Equivalent to 2 /8s, 196 /16s and 145 /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 13703 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2446 154 462 LCS-AS-AP LARUS Limited, HK 56041 1835 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1719 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1081 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 932 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 833 1226 172 ALIBABA-CN-NET Alibaba US Technology Co., 24445 794 497 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 14964 41324 5694 AMAZON-02 - Amazon.com, Inc., US 22773 4786 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 6167 2151 4363 557 CELLCO-PART - Verizon Business, US 11776 1898 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1492 1238 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 1497 1383 139 SAUDINETSTC-AS, SA 20940 1262 97 1025 AKAMAI-ASN1, NL 34984 1110 144 753 TELLCOM-AS, TR 8452 1043 1852 14 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 793 57 701 CDNEXT, GB 8376 683 53 30 UNASSIGNED 35819 593 583 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 7630 1896 774 UNINET, MX 11830 1934 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 371 22 INTEGRATEL PERU S.A.A., PE 26615 1062 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 667 42 246 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 1538 557 31 RAYA-AS, EG 24863 759 121 372 LINKdotNET-AS, EG 36935 747 167 171 Vodafone-, EG 37069 715 1100 11 MOBINIL, EG 36992 620 1299 203 ETISALAT-MISR, EG 29571 602 70 18 ORANGE-COTE-IVOIRE, CI 36914 549 82 3 KENET-AS, KE 36903 463 220 313 MT-MPLS, MA 2018 374 318 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 14964 41324 5694 AMAZON-02 - Amazon.com, Inc., US 9808 13703 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7630 1896 774 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4786 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 17561 2446 154 462 LCS-AS-AP LARUS Limited, HK 6167 2151 4363 557 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 13703 13582 CHINAMOBILE-CN China Mobile Communications Grou 8151 7630 6856 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4786 4423 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3477 3288 CMNET-JIANGSU-AP China Mobile communications co 17561 2446 1984 LCS-AS-AP LARUS Limited, HK 11830 1934 1869 Instituto Costarricense de Electricidad y Telec 56041 1835 1756 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1898 1672 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 23.146.16.0/24 Origin: 396281 AGCOMTECH - AGILITY COMMUNICATIONS AND T 23.146.16.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /13:216 /14:577 /15:1083 /16:7459 /17:3501 /18:4294 /19:7809 /20:13238 /21:16305 /22:29000 /23:30339 /24:179199 /25:61 /26:82 /27:47 /28:20 /29:7 /30:15 /31:0 /32:56 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4270 7630 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3063 4786 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2707 14964 AMAZON-02 - Amazon.com, Inc., US 11830 1645 1934 Instituto Costarricense de Electricidad y Telecom., CR 11664 1144 1448 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1047 2523 AS-COLOCROSSING - HostPapa, US 19901 1001 1451 BRIGHTSPEED - Brightspeed, US 6167 988 2151 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 2:558 3:1001 4:1 5:1162 6:188 7:5 8:619 9:7 11:172 12:814 13:637 14:125 15:408 16:183 17:3 18:909 20:371 21:4 22:188 23:2925 24:790 27:18 28:1 29:19 31:460 32:13 34:10 35:176 36:3429 37:690 38:2608 39:882 40:60 41:1076 42:20 43:215 44:30 45:4336 46:902 47:189 48:69 49:23 50:477 51:544 52:1128 54:279 55:1104 56:11 57:31 58:16 59:27 60:14 61:56 62:656 63:683 64:2295 65:1030 66:2495 67:1191 68:505 69:1194 70:424 71:141 72:745 74:1015 75:261 76:221 77:515 78:550 79:275 80:332 81:428 82:815 83:211 84:396 85:597 86:260 87:239 88:287 89:629 90:121 91:942 92:605 93:947 94:990 95:1287 96:277 97:46 98:481 99:300 100:40 101:30 102:442 103:1142 104:1681 105:240 106:7 107:1832 108:525 109:388 110:61 111:2810 112:1401 113:40 114:32 115:14 116:51 117:1645 118:54 119:73 120:2061 121:38 122:44 123:106 124:59 125:19 126:1 128:511 129:394 130:737 131:1290 132:550 133:214 134:561 135:119 136:683 137:596 138:1099 139:460 140:746 141:475 142:1570 143:846 144:520 145:172 146:667 147:495 148:1049 149:867 150:214 151:924 152:856 153:588 154:2519 155:969 156:2110 157:437 158:683 159:896 160:769 161:710 162:978 163:371 164:728 165:631 166:560 167:712 168:1465 169:166 170:1858 171:103 172:1498 173:834 174:353 175:108 176:773 177:1198 178:658 179:931 180:37 181:2649 182:28 183:1739 184:451 185:3367 186:3715 187:1881 188:1051 189:1990 190:6268 191:613 192:5103 193:1706 194:1130 195:959 196:702 197:690 198:2661 199:2482 200:4451 201:3593 202:1015 203:715 204:2167 205:1844 206:1517 207:1723 208:1630 209:1960 210:353 211:519 212:1069 213:858 214:953 215:36 216:2531 217:541 218:669 219:18 220:27 221:537 222:29 223:1716 End of report