This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 05 Sep, 2026 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1068336 Prefixes after maximum aggregation (per Origin AS): 412132 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 530534 Number of IPv4 prefixes with a valid ROA: 739318 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 328994 Total ASes present in the Internet Routing Table: 79225 Prefixes per ASN: 13.48 Origin-only ASes present in the Internet Routing Table: 67799 Origin ASes announcing only one prefix: 27800 Transit ASes present in the Internet Routing Table: 11426 Transit-only ASes present in the Internet Routing Table: 615 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 250 Max AS path prepend of ASN ( 17210) 245 Prefixes from unregistered ASNs in the Routing Table: 1169 Number of instances of unregistered ASNs: 1179 Number of 32-bit ASNs allocated by the RIRs: 51138 Number of 32-bit ASNs visible in the Routing Table: 41550 Prefixes from 32-bit ASNs in the Routing Table: 239907 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 389 Number of addresses announced to Internet: 3124593029 Equivalent to 186 /8s, 61 /16s and 129 /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: 352458 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288215 Total APNIC prefixes after maximum aggregation: 85405 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 275239 Unique aggregates announced from the APNIC address blocks: 109999 APNIC Region origin ASes present in the Internet Routing Table: 15356 APNIC Prefixes per ASN: 17.92 APNIC Region origin ASes announcing only one prefix: 4772 APNIC Region transit ASes present in the Internet Routing Table: 2059 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10930 Number of APNIC addresses announced to Internet: 749445184 Equivalent to 44 /8s, 171 /16s and 160 /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: 310743 Total ARIN prefixes after maximum aggregation: 139417 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 308705 Unique aggregates announced from the ARIN address blocks: 151566 ARIN Region origin ASes present in the Internet Routing Table: 19522 ARIN Prefixes per ASN: 15.81 ARIN Region origin ASes announcing only one prefix: 7165 ARIN Region transit ASes present in the Internet Routing Table: 2012 Average ARIN Region AS path length visible: 5.0 Max ARIN Region AS path length visible: 250 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5766 Number of ARIN addresses announced to Internet: 1353602307 Equivalent to 80 /8s, 174 /16s and 85 /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: 298176 Total RIPE prefixes after maximum aggregation: 148067 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 303649 Unique aggregates announced from the RIPE address blocks: 198482 RIPE Region origin ASes present in the Internet Routing Table: 29816 RIPE Prefixes per ASN: 10.18 RIPE Region origin ASes announcing only one prefix: 12332 RIPE Region transit ASes present in the Internet Routing Table: 4143 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13839 Number of RIPE addresses announced to Internet: 749648002 Equivalent to 44 /8s, 174 /16s and 184 /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: 132100 Total LACNIC prefixes after maximum aggregation: 31524 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 126178 Unique aggregates announced from the LACNIC address blocks: 51418 LACNIC Region origin ASes present in the Internet Routing Table: 11497 LACNIC Prefixes per ASN: 10.97 LACNIC Region origin ASes announcing only one prefix: 2766 LACNIC Region transit ASes present in the Internet Routing Table: 2638 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9576 Number of LACNIC addresses announced to Internet: 167865024 Equivalent to 10 /8s, 1 /16s and 106 /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: 37933 Total AfriNIC prefixes after maximum aggregation: 7037 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 54176 Unique aggregates announced from the AfriNIC address blocks: 18752 AfriNIC Region origin ASes present in the Internet Routing Table: 2074 AfriNIC Prefixes per ASN: 26.12 AfriNIC Region origin ASes announcing only one prefix: 765 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1439 Number of AfriNIC addresses announced to Internet: 103790848 Equivalent to 6 /8s, 47 /16s and 185 /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 14085 8919 100 CHINAMOBILE-CN - China Mobile Communicati 9498 5097 561 347 BBIL-AP - BHARTI Airtel Ltd., IN 4538 4884 4192 73 ERX-CERNET-BKB - China Education and Rese 7545 4630 825 313 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4069 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3618 886 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3545 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3402 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3101 316 1814 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2477 589 700 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 16466 42641 5665 AMAZON-02 - Amazon.com, Inc., US 22773 4852 3136 416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4602 306 1137 CABLEONE - CABLE ONE, INC., US 7155 3991 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3749 1305 74 SHAW - Shaw Communications, CA 396982 3470 4880 551 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3175 237 1113 AS-COLOCROSSING - HostPapa, US 749 3132 54647 2383 DNIC-AS-00749 - United States Department 7029 2828 2599 888 WINDSTREAM - Windstream Communications LL 31898 2728 1354 1152 ORACLE-BMC-31898 - Oracle Corporation, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6954 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4210 375 2560 M247 - M247 Europe SRL, RO 20940 3897 3388 104 AKAMAI-ASN1 - Akamai International B.V., 212238 3587 260 2711 CDNEXT - Datacamp Limited, GB 12389 3124 2330 867 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2529 371 594 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2523 154 27 KCELL-AS - Kcell JSC, KZ 44559 1904 119 930 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1725 1852 17 TE-AS - IDDQD-AS, EG Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 13135 3281 613 AS8151 - UNINET, MX 10620 3411 443 1115 AS10620 - Telmex Colombia S.A., CO 13999 2245 495 327 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1878 369 65 AS11830 - Instituto Costarricense de Elec 11664 1505 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2431 274 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1191 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1099 70 384 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1076 75 52 AS27715 - Locaweb Servicos de Internet S/ Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1979 509 28 Vodafone Data - Vodafone Data, EG 36992 1929 1543 328 ETISALAT MISR - ETISALAT MISR, EG 24863 1398 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1352 588 105 Office National des Postes et Telecommuni 36935 1286 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 36914 553 82 3 Kenya Education Network - Kenya Education 15399 546 57 59 Wananchi Group (Kenya) Limited - Wananchi 20011 543 159 176 Dimension Data - Dimension Data, ZA Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 16466 42641 5665 AMAZON-02 - Amazon.com, Inc., US 9808 14085 8919 100 CHINAMOBILE-CN - China Mobile Communicati 8151 13135 3281 613 AS8151 - UNINET, MX 12479 6954 1711 150 UNI2-AS - Orange Espagne SA, ES 9498 5097 561 347 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 4538 4884 4192 73 ERX-CERNET-BKB - China Education and Rese 22773 4852 3136 416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4630 825 313 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4602 306 1137 CABLEONE - CABLE ONE, INC., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14085 13985 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13135 12522 AS8151 - UNINET, MX 12479 6954 6804 UNI2-AS - Orange Espagne SA, ES 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 4538 4884 4811 ERX-CERNET-BKB - China Education and Research N 9498 5097 4750 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4852 4436 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4630 4317 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4069 4045 VIETEL-AS-AP - Viettel Group, VN 7155 3991 3904 VIASAT-SP-BACKBONE - ViaSat,Inc., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 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 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/Guam/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/Guam/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: 3605 ERX-KUENTOS-AS - Guam Cablevision, LLC., 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 Complete listing at https://bgp.nsrc.org/REN/Guam/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 /8:16 /9:14 /10:39 /11:97 /12:299 /13:591 /14:1192 /15:2131 /16:13778 /17:8360 /18:13395 /19:25717 /20:46570 /21:54051 /22:113966 /23:110814 /24:676876 /25:68 /26:83 /27:106 /28:30 /29:56 /30:8 /31:1 /32:78 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7312 13135 AS8151 - UNINET, MX 12479 5880 6954 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3528 3749 SHAW - Shaw Communications, CA 11492 3514 4602 CABLEONE - CABLE ONE, INC., US 16509 3202 16466 AMAZON-02 - Amazon.com, Inc., US 22773 3106 4852 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2944 3991 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2246 3411 AS10620 - Telmex Colombia S.A., CO 30036 2174 2521 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2055 2:2923 3:1189 4:7 5:5310 6:215 7:6 8:1368 9:99 11:172 12:1097 13:927 14:2721 15:486 16:274 17:463 18:1082 20:602 21:4 22:188 23:8595 24:2787 25:2 27:2872 28:7 29:19 31:3890 32:36 34:95 35:296 36:4905 37:4470 38:10383 39:1417 40:450 41:4657 42:1054 43:3415 44:508 45:19872 46:5007 47:461 48:171 49:2305 50:2017 51:946 52:1385 54:331 55:1083 56:11 57:336 58:2371 59:1434 60:1197 61:3322 62:3178 63:1702 64:6694 65:2175 66:6308 67:3338 68:1312 69:4126 70:1050 71:605 72:3277 74:3147 75:1614 76:588 77:2948 78:2143 79:1878 80:2387 81:2300 82:4358 83:1497 84:2141 85:3927 86:1139 87:3039 88:1335 89:4884 90:769 91:8520 92:2769 93:3052 94:4621 95:4797 96:1457 97:306 98:945 99:996 100:65 101:1369 102:4736 103:32298 104:5697 105:928 106:930 107:3000 108:1501 109:3958 110:2233 111:4289 112:3145 113:1665 114:2587 115:2250 116:2108 117:3881 118:2497 119:2118 120:2877 121:1881 122:3076 123:2224 124:1739 125:2999 126:156 128:1596 129:984 130:1756 131:2546 132:888 133:486 134:1790 135:677 136:1590 137:1426 138:3449 139:1806 140:1878 141:1844 142:2673 143:2277 144:1901 145:713 146:2222 147:2384 148:2892 149:3637 150:1431 151:3038 152:2441 153:2101 154:9288 155:2377 156:4143 157:2448 158:1653 159:2938 160:4081 161:2097 162:4232 163:2714 164:2412 165:2782 166:1252 167:2388 168:4287 169:954 170:5634 171:1130 172:4946 173:3464 174:892 175:1421 176:4047 177:5635 178:4653 179:2784 180:3353 181:4681 182:4066 183:2629 184:2068 185:21988 186:6604 187:5848 188:4780 189:4842 190:10021 191:1887 192:11852 193:9637 194:7980 195:6007 196:3410 197:3245 198:6239 199:6145 200:8471 201:6887 202:10782 203:10541 204:4724 205:3741 206:4463 207:3950 208:4324 209:5489 210:4884 211:2804 212:5323 213:4128 214:1029 215:50 216:7355 217:3778 218:1967 219:583 220:2236 221:1440 222:1120 223:3623 End of report