[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Feb 2 22:10:40 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Fri 02 Feb, 2024
IPv4 BGP Table (R&E) as seen at CEDIA.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/
Analysis Summary
----------------
BGP routing table entries examined: 25737
Prefixes after maximum aggregation (per Origin AS): 12595
Deaggregation factor: 2.04
Unique aggregates announced (without unneeded subnets): 14285
Number of IPv4 prefixes with a valid ROA: 12783
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 12773
Total ASes present in the Internet Routing Table: 2756
Prefixes per ASN: 9.34
Origin-only ASes present in the Internet Routing Table: 2365
Origin ASes announcing only one prefix: 1051
Transit ASes present in the Internet Routing Table: 391
Transit-only ASes present in the Internet Routing Table: 75
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 16
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 43551
Number of 32-bit ASNs visible in the Routing Table: 653
Prefixes from 32-bit ASNs in the Routing Table: 4812
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 4
Number of addresses announced to Internet: 239460184
Equivalent to 14 /8s, 69 /16s and 223 /24s
Percentage of available address space announced: 6.5
Percentage of allocated address space announced: 6.5
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: 3583
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4653
Total APNIC prefixes after maximum aggregation: 2277
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4703
Unique aggregates announced from the APNIC address blocks: 2641
APNIC Region origin ASes present in the Internet Routing Table: 542
APNIC Prefixes per ASN: 8.68
APNIC Region origin ASes announcing only one prefix: 230
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 5.8
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 206
Number of APNIC addresses announced to Internet: 45504064
Equivalent to 2 /8s, 182 /16s and 86 /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, 131072-153913
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: 14674
Total ARIN prefixes after maximum aggregation: 6565
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 14474
Unique aggregates announced from the ARIN address blocks: 7425
ARIN Region origin ASes present in the Internet Routing Table: 1239
ARIN Prefixes per ASN: 11.68
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 167
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 202
Number of ARIN addresses announced to Internet: 129457793
Equivalent to 7 /8s, 183 /16s and 94 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3613
Total RIPE prefixes after maximum aggregation: 2884
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3770
Unique aggregates announced from the RIPE address blocks: 3126
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.52
RIPE Region origin ASes announcing only one prefix: 309
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 149
Number of RIPE addresses announced to Internet: 57667456
Equivalent to 3 /8s, 111 /16s and 239 /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,
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: 1509
Total LACNIC prefixes after maximum aggregation: 677
LACNIC Deaggregation factor: 2.23
Prefixes being announced from the LACNIC address blocks: 1512
Unique aggregates announced from the LACNIC address blocks: 859
LACNIC Region origin ASes present in the Internet Routing Table: 162
LACNIC Prefixes per ASN: 9.33
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 28
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4154135
Equivalent to 0 /8s, 63 /16s and 99 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 1273
Total AfriNIC prefixes after maximum aggregation: 180
AfriNIC Deaggregation factor: 7.07
Prefixes being announced from the AfriNIC address blocks: 1274
Unique aggregates announced from the AfriNIC address blocks: 230
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 24.50
AfriNIC Region origin ASes announcing only one prefix: 28
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2673920
Equivalent to 0 /8s, 40 /16s and 205 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
2907 600 2162 465 SINET-AS Research Organization of Infor
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
1237 197 74 142 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 119 AARNET-AS-AP Australian Academic and Re
4538 129 4192 73 ERX-CERNET-BKB China Education and Rese
55824 127 19 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2752 3639 392 GOOGLE-CLOUD-PLATFORM, US
16509 2193 1650 908 AMAZON-02, US
14618 856 4032 645 AMAZON-AES, US
15169 830 1997 60 GOOGLE, US
376 200 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
36492 165 12 38 GOOGLEWIFI, US
2152 145 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 126 521 30 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 160 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
3267 79 44 68 RUNNET, RU
553 78 462 78 BELWUE BelWue-Koordination, DE
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 173 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
27947 117 0 90 Telconet S.A, EC
11340 112 25 52 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
28614 38 2 2 Fundacao Universidade Regional de Blume
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 481 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
327687 162 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37215 11 8 1 MAREN, MW
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
396982 2752 3639 392 GOOGLE-CLOUD-PLATFORM, US
16509 2193 1650 908 AMAZON-02, US
14618 856 4032 645 AMAZON-AES, US
15169 830 1997 60 GOOGLE, US
2907 600 2162 465 SINET-AS Research Organization of Infor
36914 481 82 3 KENET-AS, KE
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
376 200 162 150 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
16509 2193 1285 AMAZON-02, US
15169 830 770 GOOGLE, US
36914 481 478 KENET-AS, KE
7497 439 416 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
14618 856 211 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 162 159 RENU, UG
8895 160 155 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.222.0/24 32440 LONI, US
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
220.156.176.0/21 Origin: 23767 A-STAR-AS-AP A-STAR, SG
220.156.176.0/21 Transit: 23855 SINGAREN-GIX-AS-AP Singapore Advanced Re
Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /8:0 /9:1 /10:1 /11:4 /12:19
/13:34 /14:81 /15:160 /16:2100 /17:510 /18:500
/19:734 /20:2787 /21:1050 /22:1680 /23:1754 /24:13921
/25:87 /26:57 /27:75 /28:21 /29:80 /30:37
/31:35 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 466 481 KENET-AS, KE
16509 315 2193 AMAZON-02, US
14618 283 856 AMAZON-AES, US
15169 274 830 GOOGLE, US
396982 205 2752 GOOGLE-CLOUD-PLATFORM, US
8895 155 160 ISU Internet Services Unit ISU, SA
27947 94 117 Telconet S.A, EC
32440 80 112 LONI, US
23024 52 109 OCDE, US
327700 41 45 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:82 5:21 8:28 12:1 13:45
14:88 15:70 16:112 18:66 23:110 24:3
31:3 34:23 35:51 38:9 40:5 41:182
42:10 43:2 44:9 45:60 46:11 47:1
49:9 50:3 52:555 54:212 59:19 60:6
61:3 62:10 63:36 64:164 65:13 66:81
67:61 68:14 69:40 70:44 71:3 72:13
74:145 76:47 77:12 78:3 79:10 80:13
81:24 82:7 83:7 84:10 85:35 86:4
87:4 88:1 89:19 91:58 92:5 93:4
94:2 95:2 96:7 97:1 98:11 99:47
101:3 102:38 103:298 104:228 107:33 108:104
109:10 111:16 114:32 115:1 116:10 117:61
118:32 119:19 121:27 122:8 123:8 124:40
125:5 128:84 129:45 130:139 131:68 132:52
133:155 134:109 135:3 136:298 137:151 138:58
139:17 140:41 141:6 142:284 143:23 144:39
145:3 146:143 147:68 148:202 149:17 150:43
151:18 152:134 153:14 154:29 155:73 156:69
157:25 158:42 159:148 160:30 161:28 162:92
163:87 164:23 165:54 166:1 167:24 168:151
169:11 170:145 171:1 172:114 173:116 174:2
175:18 176:10 177:6 178:1 179:10 180:15
182:1 184:5 185:105 186:3 187:17 188:20
189:3 190:2 191:13 192:1490 193:282 194:127
195:76 196:203 197:331 198:480 199:306 200:263
201:34 202:626 203:426 204:371 205:150 206:205
207:172 208:138 209:166 210:196 211:15 212:162
213:15 216:175 217:13 218:22 219:5 220:17
222:2 223:14
End of report
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