IPv4 R&E Routing Table Report 20:15 GMT Tue 22 Sep, 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: 292912 Prefixes after maximum aggregation (per Origin AS): 120212 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 151731 Number of IPv4 prefixes with a valid ROA: 197333 Number of IPv4 prefixes with an invalid ROA: 192 Number of IPv4 prefixes with no ROA: 95387 Total ASes present in the Internet Routing Table: 20169 Prefixes per ASN: 14.52 Origin-only ASes present in the Internet Routing Table: 17303 Origin ASes announcing only one prefix: 7782 Transit ASes present in the Internet Routing Table: 2866 Transit-only ASes present in the Internet Routing Table: 719 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 46 Max AS path prepend of ASN ( 30075) 41 Prefixes from unregistered ASNs in the Routing Table: 279 Number of instances of unregistered ASNs: 280 Number of 32-bit ASNs allocated by the RIRs: 51319 Number of 32-bit ASNs visible in the Routing Table: 8612 Prefixes from 32-bit ASNs in the Routing Table: 37518 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 115 Number of addresses announced to Internet: 1658580165 Equivalent to 98 /8s, 219 /16s and 236 /24s Percentage of available address space announced: 44.8 Percentage of allocated address space announced: 44.8 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: 92236 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43681 Total APNIC prefixes after maximum aggregation: 8468 APNIC Deaggregation factor: 5.16 Prefixes being announced from the APNIC address blocks: 41345 Unique aggregates announced from the APNIC address blocks: 8958 APNIC Region origin ASes present in the Internet Routing Table: 1220 APNIC Prefixes per ASN: 33.89 APNIC Region origin ASes announcing only one prefix: 469 APNIC Region transit ASes present in the Internet Routing Table: 228 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 593 Number of APNIC addresses announced to Internet: 173347404 Equivalent to 10 /8s, 85 /16s and 18 /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: 131881 Total ARIN prefixes after maximum aggregation: 65877 ARIN Deaggregation factor: 2.00 Prefixes being announced from the ARIN address blocks: 129207 Unique aggregates announced from the ARIN address blocks: 72042 ARIN Region origin ASes present in the Internet Routing Table: 8772 ARIN Prefixes per ASN: 14.73 ARIN Region origin ASes announcing only one prefix: 3653 ARIN Region transit ASes present in the Internet Routing Table: 834 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 46 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2184 Number of ARIN addresses announced to Internet: 1026062057 Equivalent to 61 /8s, 40 /16s and 118 /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: 49119 Total RIPE prefixes after maximum aggregation: 26018 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 52930 Unique aggregates announced from the RIPE address blocks: 38535 RIPE Region origin ASes present in the Internet Routing Table: 4393 RIPE Prefixes per ASN: 12.05 RIPE Region origin ASes announcing only one prefix: 1861 RIPE Region transit ASes present in the Internet Routing Table: 682 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: 1999 Number of RIPE addresses announced to Internet: 312362960 Equivalent to 18 /8s, 158 /16s and 71 /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 196608-219547 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: 57701 Total LACNIC prefixes after maximum aggregation: 17241 LACNIC Deaggregation factor: 3.35 Prefixes being announced from the LACNIC address blocks: 54497 Unique aggregates announced from the LACNIC address blocks: 25032 LACNIC Region origin ASes present in the Internet Routing Table: 4653 LACNIC Prefixes per ASN: 11.71 LACNIC Region origin ASes announcing only one prefix: 1683 LACNIC Region transit ASes present in the Internet Routing Table: 930 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3677 Number of LACNIC addresses announced to Internet: 103376576 Equivalent to 6 /8s, 41 /16s and 102 /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: 10251 Total AfriNIC prefixes after maximum aggregation: 2425 AfriNIC Deaggregation factor: 4.23 Prefixes being announced from the AfriNIC address blocks: 14818 Unique aggregates announced from the AfriNIC address blocks: 7060 AfriNIC Region origin ASes present in the Internet Routing Table: 282 AfriNIC Prefixes per ASN: 52.55 AfriNIC Region origin ASes announcing only one prefix: 116 AfriNIC Region transit ASes present in the Internet Routing Table: 79 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 159 Number of AfriNIC addresses announced to Internet: 43343360 Equivalent to 2 /8s, 149 /16s and 94 /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 13867 8737 135 CHINAMOBILE-CN - China Mobile Communicati 56046 3512 887 191 CMNET-Jiangsu-AP - China Mobile communica 56041 2152 723 110 CMNET-Zhejiang-AP - China Mobile communic 56047 1746 192 52 CMNET-Hunan-AP - China Mobile communicati 24444 1117 500 78 CMNET-V4shandong-AS-AP - Shandong Mobile 17561 1107 70 218 LCS-AS-AP - LARUS Limited, HK 24547 959 177 52 CMNET-V4HEBEI-AS-AP - Hebei Mobile Commun 56045 940 481 56 CMNET-Jiangxi-AP - China Mobile communica 45102 930 1328 192 ALIBABA-CN-NET - Alibaba (US) Technology 24445 911 497 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 18609 42654 5651 AMAZON-02 - Amazon.com, Inc., US 22773 4858 3166 417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3133 54663 2384 DNIC-AS-00749 - United States Department 6167 2174 4389 557 CELLCO-PART - Verizon Business, US 209 1586 4845 242 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 2914 1506 1596 1145 NTT-DATA-2914 - NTT America, Inc., US 577 1458 1712 310 BACOM - Bell Canada, CA 20057 1449 972 122 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 14618 1434 5307 1077 AMAZON-AES - Amazon.com, Inc., US 11776 1369 185 237 ATLANTICBB-JOHNSTOWN - Breezeline, 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 4121 245 67 ALJAWWALSTC-AS - Saudi Telecom Company JS 25019 1241 1383 139 SAUDINETSTC-AS - Saudi Telecom Company JS 20940 1210 94 997 AKAMAI-ASN1 - Akamai International B.V., 212238 1001 70 890 CDNEXT - Datacamp Limited, GB 8452 952 1841 19 TE-AS - IDDQD-AS, EG 34984 936 139 684 TELLCOM-AS - Superonline Iletisim Hizmetl 3215 882 4826 342 AS3215 - Orange S.A., FR 8376 756 54 31 UNSPECIFIED - Jordan Data Communications 5511 694 116 602 Opentransit - Orange S.A., FR 51167 568 133 250 CONTABO - Contabo GmbH, 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 6050 1689 605 AS8151 - UNINET, MX 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec 10620 1611 216 1166 AS10620 - Telmex Colombia S.A., CO 11664 1491 277 32 AS11664 - Techtel LMDS Comunicaciones Int 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1196 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 26615 1041 2262 94 AS26615 - TIM S/A, BR 18881 958 1127 31 AS18881 - TELEFONICA BRASIL S.A, BR 52468 754 48 269 AS52468 - UFINET PANAMA S.A., PA 12252 646 160 23 AS12252 - America Movil Peru S.A.C., PE 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 1427 441 21 Vodafone Data - Vodafone Data, EG 37069 1023 1068 44 The Egyptian Company for Mobile Services 29571 903 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 36935 650 517 20 Vodafone Data - Vodafone Data, EG 36992 597 888 354 ETISALAT MISR - ETISALAT MISR, EG 24863 547 67 268 Link Egypt (Link.NET) - Link Egypt (Link. 36914 546 82 3 Kenya Education Network - Kenya Education 36903 537 239 350 Office National des Postes et Telecommuni 2018 373 318 69 Tertiary Education and Research Network o 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 18609 42654 5651 AMAZON-02 - Amazon.com, Inc., US 9808 13867 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 6050 1689 605 AS8151 - UNINET, MX 22773 4858 3166 417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 39891 4121 245 67 ALJAWWALSTC-AS - Saudi Telecom Company JS 56046 3512 887 191 CMNET-Jiangsu-AP - China Mobile communica 749 3133 54663 2384 DNIC-AS-00749 - United States Department 6167 2174 4389 557 CELLCO-PART - Verizon Business, US 56041 2152 723 110 CMNET-Zhejiang-AP - China Mobile communic 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec 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 13867 13732 CHINAMOBILE-CN - China Mobile Communications Gr 8151 6050 5445 AS8151 - UNINET, MX 22773 4858 4441 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 39891 4121 4054 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 56046 3512 3321 CMNET-Jiangsu-AP - China Mobile communications 56041 2152 2042 CMNET-Zhejiang-AP - China Mobile communications 11830 1866 1801 AS11830 - Instituto Costarricense de Electricid 56047 1746 1694 CMNET-Hunan-AP - China Mobile communications co 6167 2174 1617 CELLCO-PART - Verizon Business, US 11664 1491 1459 AS11664 - Techtel LMDS Comunicaciones Interacti 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 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 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 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 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 24482 SGGS-AS-AP - SG.GS, SG 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US 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 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 /10:35 /11:58 /12:160 /13:223 /14:584 /15:1111 /16:7615 /17:3470 /18:4257 /19:7584 /20:12848 /21:15692 /22:26857 /23:29711 /24:182386 /25:64 /26:84 /27:44 /28:20 /29:8 /30:18 /31:1 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 16509 3656 18609 AMAZON-02 - Amazon.com, Inc., US 8151 3369 6050 AS8151 - UNINET, MX 39891 3211 4121 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 3111 4858 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 11830 1592 1866 AS11830 - Instituto Costarricense de Electricidad y Telecom., CR 11664 1211 1491 AS11664 - Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1024 1611 AS10620 - Telmex Colombia S.A., CO 6167 1001 2174 CELLCO-PART - Verizon Business, US 7459 933 1287 GRANDECOM-AS1 - Grande Communications Networks, LLC, US 209 922 1586 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) ---------------------------------------------- 1:97 2:530 3:1855 4:1 5:1041 6:203 7:5 8:561 9:12 11:171 12:776 13:1283 14:128 15:427 16:234 17:4 18:1888 20:376 21:4 22:188 23:2791 24:748 27:25 28:7 29:19 31:446 32:12 34:10 35:187 36:3488 37:622 38:2836 39:998 40:79 41:1196 42:17 43:250 44:29 45:4637 46:953 47:238 48:108 49:54 50:484 51:462 52:1276 54:428 55:1157 56:11 57:33 58:6 59:27 60:14 61:77 62:667 63:737 64:2262 65:1097 66:2421 67:1197 68:502 69:1129 70:425 71:137 72:731 74:1002 75:283 76:206 77:502 78:540 79:283 80:305 81:387 82:819 83:203 84:394 85:508 86:289 87:251 88:275 89:812 90:96 91:881 92:557 93:935 94:1001 95:1103 96:329 97:43 98:424 99:453 100:33 101:31 102:382 103:1120 104:1593 105:267 106:10 107:1296 108:1120 109:363 110:65 111:2960 112:1468 113:37 114:26 115:14 116:57 117:1703 118:58 119:80 120:2195 121:22 122:77 123:43 124:66 125:36 126:2 128:444 129:367 130:732 131:1275 132:537 133:208 134:586 135:134 136:670 137:633 138:1112 139:472 140:748 141:628 142:1593 143:984 144:564 145:225 146:634 147:498 148:1085 149:869 150:378 151:936 152:778 153:675 154:1877 155:992 156:1683 157:421 158:688 159:981 160:1104 161:804 162:987 163:449 164:755 165:573 166:555 167:758 168:1585 169:173 170:1858 171:94 172:1449 173:779 174:346 175:93 176:667 177:1336 178:548 179:974 180:29 181:2710 182:22 183:1845 184:431 185:3356 186:3493 187:2163 188:827 189:1681 190:6330 191:604 192:5051 193:1757 194:1147 195:971 196:734 197:619 198:2540 199:2500 200:4376 201:3452 202:1035 203:761 204:2051 205:2067 206:1459 207:1775 208:1523 209:1924 210:394 211:548 212:1058 213:893 214:986 215:44 216:2455 217:561 218:691 219:31 220:36 221:561 222:35 223:1747 End of report