IPv4 R&E Routing Table Report 21:10 GMT Fri 16 Oct, 2026 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 1072915 Prefixes after maximum aggregation (per Origin AS): 415126 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 536386 Number of IPv4 prefixes with a valid ROA: 756546 Number of IPv4 prefixes with an invalid ROA: 176 Number of IPv4 prefixes with no ROA: 316193 Total ASes present in the Internet Routing Table: 79489 Prefixes per ASN: 13.50 Origin-only ASes present in the Internet Routing Table: 68040 Origin ASes announcing only one prefix: 27927 Transit ASes present in the Internet Routing Table: 11449 Transit-only ASes present in the Internet Routing Table: 625 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 53 Max AS path prepend of ASN ( 37447) 50 Prefixes from unregistered ASNs in the Routing Table: 1108 Number of instances of unregistered ASNs: 1131 Number of 32-bit ASNs allocated by the RIRs: 51716 Number of 32-bit ASNs visible in the Routing Table: 41943 Prefixes from 32-bit ASNs in the Routing Table: 243365 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 589 Number of addresses announced to Internet: 3125931520 Equivalent to 186 /8s, 81 /16s and 238 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 355484 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 284476 Total APNIC prefixes after maximum aggregation: 85039 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 272446 Unique aggregates announced from the APNIC address blocks: 110540 APNIC Region origin ASes present in the Internet Routing Table: 15415 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 4793 APNIC Region transit ASes present in the Internet Routing Table: 2046 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 11023 Number of APNIC addresses announced to Internet: 748825088 Equivalent to 44 /8s, 162 /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: 315729 Total ARIN prefixes after maximum aggregation: 140472 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 312462 Unique aggregates announced from the ARIN address blocks: 153331 ARIN Region origin ASes present in the Internet Routing Table: 19546 ARIN Prefixes per ASN: 15.99 ARIN Region origin ASes announcing only one prefix: 7212 ARIN Region transit ASes present in the Internet Routing Table: 1987 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 45 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5853 Number of ARIN addresses announced to Internet: 1355406336 Equivalent to 80 /8s, 201 /16s and 220 /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: 300906 Total RIPE prefixes after maximum aggregation: 149969 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 307431 Unique aggregates announced from the RIPE address blocks: 201744 RIPE Region origin ASes present in the Internet Routing Table: 29923 RIPE Prefixes per ASN: 10.27 RIPE Region origin ASes announcing only one prefix: 12394 RIPE Region transit ASes present in the Internet Routing Table: 4169 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 48 Number of RIPE region 32-bit ASNs visible in the Routing Table: 14001 Number of RIPE addresses announced to Internet: 750400512 Equivalent to 44 /8s, 186 /16s and 52 /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: 132228 Total LACNIC prefixes after maximum aggregation: 31897 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 125845 Unique aggregates announced from the LACNIC address blocks: 51762 LACNIC Region origin ASes present in the Internet Routing Table: 11533 LACNIC Prefixes per ASN: 10.91 LACNIC Region origin ASes announcing only one prefix: 2761 LACNIC Region transit ASes present in the Internet Routing Table: 2648 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9610 Number of LACNIC addresses announced to Internet: 167300096 Equivalent to 9 /8s, 248 /16s and 204 /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: 38468 Total AfriNIC prefixes after maximum aggregation: 7075 AfriNIC Deaggregation factor: 5.44 Prefixes being announced from the AfriNIC address blocks: 54141 Unique aggregates announced from the AfriNIC address blocks: 18528 AfriNIC Region origin ASes present in the Internet Routing Table: 2091 AfriNIC Prefixes per ASN: 25.89 AfriNIC Region origin ASes announcing only one prefix: 767 AfriNIC Region transit ASes present in the Internet Routing Table: 389 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1456 Number of AfriNIC addresses announced to Internet: 103690496 Equivalent to 6 /8s, 46 /16s and 49 /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 14001 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5105 560 331 BBIL-AP - BHARTI Airtel Ltd., IN 7545 4646 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4095 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3633 888 183 CMNET-Jiangsu-AP - China Mobile communica 7713 3443 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3378 1868 97 VNPT-AS-VN - VNPT Corp, VN 140292 3291 331 1669 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2386 538 665 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 4755 2267 428 194 TATACOMM-AS - TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 17985 42599 5614 AMAZON-02 - Amazon.com, Inc., US 22773 4918 3321 461 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4631 308 1099 CABLEONE - CABLE ONE, INC., US 7155 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3837 1305 74 SHAW - Shaw Communications, CA 396982 3546 5381 599 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3284 244 1154 AS-COLOCROSSING - HostPapa, US 749 3133 54647 2384 DNIC-AS-00749 - United States Department 7029 2907 2570 918 WINDSTREAM - Windstream Communications LL 31898 2825 1407 1184 ORACLE-BMC-31898 - Oracle Corporation, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6949 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4369 390 2671 M247 - M247 Europe SRL, RO 20940 3839 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3691 265 2808 CDNEXT - Datacamp Limited, GB 12389 3105 2329 868 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2528 371 602 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2525 155 30 KCELL-AS - Kcell JSC, KZ 25019 1923 1384 141 SAUDINETSTC-AS - Saudi Telecom Company JS 3257 1741 2083 979 GTT-BACKBONE - GTT Communications Inc., U Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 13284 3295 615 AS8151 - UNINET, MX 10620 3398 442 1121 AS10620 - Telmex Colombia S.A., CO 13999 2219 493 326 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1852 369 65 AS11830 - Instituto Costarricense de Elec 11664 1512 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1388 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1267 762 225 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1173 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1098 73 382 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1079 75 54 AS27715 - Locaweb Servicos de Internet S/ Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1972 481 26 Vodafone Data - Vodafone Data, EG 36992 1943 1543 326 ETISALAT MISR - ETISALAT MISR, EG 24863 1459 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1352 588 110 Office National des Postes et Telecommuni 36935 1295 523 49 Vodafone Data - Vodafone Data, EG 37069 1128 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 804 57 60 Wananchi Group (Kenya) Limited - Wananchi 20011 562 162 179 Dimension Data - Dimension Data, ZA 36914 548 82 3 Kenya Education Network - Kenya Education Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 17985 42599 5614 AMAZON-02 - Amazon.com, Inc., US 9808 14001 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13284 3295 615 AS8151 - UNINET, MX 12479 6949 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5105 560 331 BBIL-AP - BHARTI Airtel Ltd., IN 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4918 3321 461 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4646 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4631 308 1099 CABLEONE - CABLE ONE, INC., US 9009 4369 390 2671 M247 - M247 Europe SRL, RO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14001 13866 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13284 12669 AS8151 - UNINET, MX 12479 6949 6800 UNI2-AS - Orange Espagne SA, ES 39891 5044 4967 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5105 4774 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4918 4457 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4646 4366 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4095 4071 VIETEL-AS-AP - Viettel Group, VN 6327 3837 3763 SHAW - Shaw Communications, CA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 4593 UNALLOCATED 2.26.176.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.216.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.219.0/24 10122 NETSTAR-AS-AP - NETSTAR 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:97 /12:299 /13:589 /14:1192 /15:2134 /16:13727 /17:8283 /18:13270 /19:25509 /20:45231 /21:53499 /22:113683 /23:110785 /24:684547 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7441 13284 AS8151 - UNINET, MX 12479 5863 6949 UNI2-AS - Orange Espagne SA, ES 39891 3727 5044 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3602 3837 SHAW - Shaw Communications, CA 11492 3509 4631 CABLEONE - CABLE ONE, INC., US 16509 3463 17985 AMAZON-02 - Amazon.com, Inc., US 7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3134 4918 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2233 3398 AS10620 - Telmex Colombia S.A., CO 30036 2176 2522 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2023 2:2975 3:1548 4:6 5:5494 6:214 7:6 8:1342 9:497 11:172 12:1076 13:1410 14:2709 15:487 16:374 17:469 18:1425 20:619 21:4 22:188 23:8638 24:2812 25:2 27:2948 28:8 29:19 31:3972 32:33 34:94 35:306 36:4915 37:4442 38:10555 39:1448 40:456 41:4581 42:1047 43:3477 44:534 45:19912 46:5018 47:459 48:171 49:2338 50:2019 51:1039 52:1459 54:495 55:1152 56:11 57:333 58:2285 59:1361 60:1191 61:3284 62:3182 63:1678 64:6723 65:2276 66:6268 67:3337 68:1344 69:4078 70:1088 71:604 72:3291 74:3148 75:1743 76:592 77:2936 78:2178 79:2015 80:2410 81:2309 82:4376 83:1521 84:2171 85:3923 86:1155 87:3023 88:1364 89:4970 90:793 91:8562 92:2805 93:3073 94:4706 95:4770 96:1453 97:304 98:970 99:1153 100:65 101:1374 102:4740 103:32430 104:5801 105:967 106:970 107:3015 108:1556 109:4030 110:2229 111:4231 112:3234 113:1694 114:2632 115:2329 116:2080 117:3902 118:2607 119:2074 120:2827 121:2009 122:3070 123:2227 124:1685 125:2989 126:175 128:1626 129:1006 130:1787 131:2635 132:954 133:483 134:1837 135:678 136:1591 137:1618 138:3458 139:1835 140:1896 141:1920 142:2741 143:2368 144:1944 145:714 146:2268 147:2398 148:2900 149:3587 150:1494 151:3165 152:2512 153:2301 154:8927 155:2386 156:4102 157:2487 158:1650 159:2990 160:4189 161:2158 162:4258 163:2783 164:2508 165:2811 166:1264 167:2418 168:4297 169:986 170:5595 171:1140 172:4956 173:3477 174:898 175:1436 176:4110 177:5621 178:4691 179:2864 180:3347 181:4755 182:4146 183:2661 184:2198 185:22087 186:6593 187:6062 188:4930 189:5036 190:10026 191:2042 192:12013 193:9647 194:7989 195:6023 196:3514 197:3302 198:6504 199:6196 200:8492 201:7006 202:10606 203:10673 204:4833 205:3786 206:4526 207:4047 208:4344 209:5531 210:4688 211:2731 212:5280 213:4136 214:1047 215:52 216:7317 217:3926 218:1924 219:412 220:2230 221:1444 222:974 223:3667 End of report