IPv4 R&E Routing Table Report 20:15 GMT Sun 31 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: 291330 Prefixes after maximum aggregation (per Origin AS): 119459 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 149760 Number of IPv4 prefixes with a valid ROA: 174575 Number of IPv4 prefixes with an invalid ROA: 214 Number of IPv4 prefixes with no ROA: 116541 Total ASes present in the Internet Routing Table: 20214 Prefixes per ASN: 14.41 Origin-only ASes present in the Internet Routing Table: 17358 Origin ASes announcing only one prefix: 7760 Transit ASes present in the Internet Routing Table: 2856 Transit-only ASes present in the Internet Routing Table: 715 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 271 Number of instances of unregistered ASNs: 300 Number of 32-bit ASNs allocated by the RIRs: 49966 Number of 32-bit ASNs visible in the Routing Table: 8320 Prefixes from 32-bit ASNs in the Routing Table: 35853 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 89 Number of addresses announced to Internet: 1613256197 Equivalent to 96 /8s, 40 /16s and 86 /24s Percentage of available address space announced: 43.6 Percentage of allocated address space announced: 43.6 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: 94534 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42918 Total APNIC prefixes after maximum aggregation: 7986 APNIC Deaggregation factor: 5.37 Prefixes being announced from the APNIC address blocks: 39601 Unique aggregates announced from the APNIC address blocks: 7879 APNIC Region origin ASes present in the Internet Routing Table: 1213 APNIC Prefixes per ASN: 32.65 APNIC Region origin ASes announcing only one prefix: 476 APNIC Region transit ASes present in the Internet Routing Table: 210 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: 596 Number of APNIC addresses announced to Internet: 168045164 Equivalent to 10 /8s, 4 /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: 128234 Total ARIN prefixes after maximum aggregation: 65620 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 125534 Unique aggregates announced from the ARIN address blocks: 71001 ARIN Region origin ASes present in the Internet Routing Table: 8914 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 3704 ARIN Region transit ASes present in the Internet Routing Table: 837 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: 2170 Number of ARIN addresses announced to Internet: 1018698761 Equivalent to 60 /8s, 184 /16s and 28 /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: 52024 Total RIPE prefixes after maximum aggregation: 26260 RIPE Deaggregation factor: 1.98 Prefixes being announced from the RIPE address blocks: 55102 Unique aggregates announced from the RIPE address blocks: 38450 RIPE Region origin ASes present in the Internet Routing Table: 4529 RIPE Prefixes per ASN: 12.17 RIPE Region origin ASes announcing only one prefix: 1932 RIPE Region transit ASes present in the Internet Routing Table: 716 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1967 Number of RIPE addresses announced to Internet: 280718288 Equivalent to 16 /8s, 187 /16s and 107 /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: 58618 Total LACNIC prefixes after maximum aggregation: 16889 LACNIC Deaggregation factor: 3.47 Prefixes being announced from the LACNIC address blocks: 55863 Unique aggregates announced from the LACNIC address blocks: 24819 LACNIC Region origin ASes present in the Internet Routing Table: 4451 LACNIC Prefixes per ASN: 12.55 LACNIC Region origin ASes announcing only one prefix: 1537 LACNIC Region transit ASes present in the Internet Routing Table: 890 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: 3439 Number of LACNIC addresses announced to Internet: 104376000 Equivalent to 6 /8s, 56 /16s and 166 /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: 9265 Total AfriNIC prefixes after maximum aggregation: 2536 AfriNIC Deaggregation factor: 3.65 Prefixes being announced from the AfriNIC address blocks: 15141 Unique aggregates announced from the AfriNIC address blocks: 7538 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 54.86 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 78 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: 148 Number of AfriNIC addresses announced to Internet: 41348864 Equivalent to 2 /8s, 118 /16s and 239 /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 13737 8737 119 CHINAMOBILE-CN - China Mobile Communicati 56046 3478 887 192 CMNET-Jiangsu-AP - China Mobile communica 17561 2427 152 470 LCS-AS-AP - LARUS Limited, HK 56041 1857 715 83 CMNET-Zhejiang-AP - China Mobile communic 56047 1718 192 52 CMNET-Hunan-AP - China Mobile communicati 24444 1087 500 78 CMNET-V4shandong-AS-AP - Shandong Mobile 24547 934 177 50 CMNET-V4HEBEI-AS-AP - Hebei Mobile Commun 56045 915 481 58 CMNET-Jiangxi-AP - China Mobile communica 45102 871 1253 179 ALIBABA-CN-NET - Alibaba (US) Technology 24445 796 497 67 CMNET-V4henan-AS-AP - Henan Mobile Commun 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 14988 41421 5720 AMAZON-02 - Amazon.com, Inc., US 22773 4757 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3136 54728 2387 DNIC-AS-00749 - United States Department 36352 2684 201 1239 AS-COLOCROSSING - HostPapa, US 6167 2154 4364 558 CELLCO-PART - Verizon Business, US 11776 1891 256 225 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1618 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 20057 1462 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 367 1458 1144 691 DNIC-ASBLK-00306-00371 - United States De 19901 1449 728 658 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 - Saudi Telecom Company JS 25019 1479 1383 139 SAUDINETSTC-AS - Saudi Telecom Company JS 20940 1250 96 1020 AKAMAI-ASN1 - Akamai International B.V., 34984 1091 141 734 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 930 1841 19 TE-AS - IDDQD-AS, EG 3215 875 4814 339 AS3215 - Orange S.A., FR 212238 815 59 721 CDNEXT - Datacamp Limited, GB 8376 702 54 30 UNSPECIFIED - Jordan Data Communications 51167 565 113 248 CONTABO - Contabo GmbH, DE 35819 558 549 90 Mobily-AS - Etihad Etisalat, a joint stoc 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 7485 1891 793 AS8151 - UNINET, MX 11830 1930 369 65 AS11830 - Instituto Costarricense de Elec 10620 1713 232 1217 AS10620 - Telmex Colombia S.A., CO 11664 1473 277 32 AS11664 - Techtel LMDS Comunicaciones Int 3816 1342 770 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1225 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 26615 1066 2391 99 AS26615 - TIM S/A, BR 18881 981 1127 31 AS18881 - TELEFONICA BRASIL S.A, BR 27651 851 140 44 AS27651 - ENTEL CHILE S.A., CL 52468 683 43 234 AS52468 - 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 Vodafone Data - Vodafone Data, EG 24863 748 118 370 Link Egypt (Link.NET) - Link Egypt (Link. 37069 747 1100 11 The Egyptian Company for Mobile Services 36935 574 150 151 Vodafone Data - Vodafone Data, EG 36914 541 82 3 Kenya Education Network - Kenya Education 29571 481 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 36903 464 220 314 Office National des Postes et Telecommuni 36992 388 467 325 ETISALAT MISR - ETISALAT MISR, EG 2018 373 318 69 TENET (The UNINET Project) - TENET (The U 37693 349 599 43 OOREDOO TUNISIE SA - OOREDOO TUNISIE SA, 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 14988 41421 5720 AMAZON-02 - Amazon.com, Inc., US 9808 13737 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 7485 1891 793 AS8151 - UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4757 3098 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3478 887 192 CMNET-Jiangsu-AP - China Mobile communica 749 3136 54728 2387 DNIC-AS-00749 - United States Department 36352 2684 201 1239 AS-COLOCROSSING - HostPapa, US 17561 2427 152 470 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 13737 13618 CHINAMOBILE-CN - China Mobile Communications Gr 8151 7485 6692 AS8151 - UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 4757 4393 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3478 3286 CMNET-Jiangsu-AP - China Mobile communications 17561 2427 1957 LCS-AS-AP - LARUS Limited, HK 11830 1930 1865 AS11830 - Instituto Costarricense de Electricid 56041 1857 1774 CMNET-Zhejiang-AP - China Mobile communications 11776 1891 1666 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 1666 CMNET-Hunan-AP - China Mobile communications co 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 Communications Inc., 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2 - Heymman Servers Corporation, 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 /12:161 /13:214 /14:577 /15:1085 /16:7427 /17:3409 /18:4158 /19:7703 /20:12805 /21:16047 /22:28162 /23:30161 /24:179015 /25:64 /26:84 /27:46 /28:20 /29:7 /30:18 /31:0 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4147 7485 AS8151 - UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 3056 4757 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2701 14988 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1930 AS11830 - Instituto Costarricense de Electricidad y Telecom., CR 11664 1168 1473 AS11664 - Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1078 1713 AS10620 - Telmex Colombia S.A., CO 36352 1047 2684 AS-COLOCROSSING - HostPapa, US 19901 999 1449 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) ---------------------------------------------- 1:82 2:532 3:989 4:1 5:1149 6:191 7:5 8:616 9:7 11:172 12:798 13:624 14:124 15:409 16:189 17:3 18:910 20:373 21:4 22:188 23:2990 24:785 27:18 28:1 29:19 31:504 32:13 34:10 35:178 36:3435 37:645 38:2653 39:900 40:60 41:1067 42:60 43:213 44:26 45:4347 46:897 47:190 48:98 49:23 50:482 51:547 52:1148 54:238 55:1098 56:11 57:30 58:44 59:34 60:14 61:64 62:686 63:678 64:2208 65:1021 66:2365 67:1196 68:509 69:1183 70:425 71:141 72:705 74:1014 75:258 76:218 77:512 78:548 79:282 80:308 81:415 82:861 83:200 84:404 85:602 86:274 87:256 88:268 89:657 90:120 91:875 92:594 93:961 94:993 95:1237 96:288 97:47 98:470 99:316 100:40 101:30 102:410 103:1129 104:1677 105:175 106:7 107:1827 108:521 109:375 110:61 111:2812 112:1400 113:35 114:32 115:15 116:48 117:1654 118:55 119:73 120:2072 121:38 122:53 123:107 124:62 125:17 126:1 128:508 129:389 130:731 131:1227 132:554 133:214 134:567 135:135 136:651 137:594 138:1132 139:463 140:749 141:476 142:1589 143:844 144:515 145:184 146:669 147:487 148:1042 149:839 150:217 151:938 152:864 153:620 154:2404 155:971 156:2133 157:424 158:678 159:898 160:709 161:764 162:975 163:380 164:708 165:633 166:550 167:740 168:1502 169:156 170:1824 171:97 172:1451 173:804 174:351 175:114 176:766 177:1194 178:684 179:931 180:52 181:2762 182:28 183:1756 184:451 185:3343 186:3805 187:1881 188:1047 189:1933 190:6312 191:598 192:5194 193:1701 194:1143 195:957 196:712 197:678 198:2660 199:2498 200:4486 201:3697 202:1016 203:718 204:2163 205:1830 206:1496 207:1719 208:1608 209:1885 210:353 211:524 212:1055 213:869 214:955 215:36 216:2482 217:543 218:670 219:18 220:26 221:539 222:28 223:1720 End of report