[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Nov 14 22:10:45 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Tue 14 Nov, 2023
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: 25449
Prefixes after maximum aggregation (per Origin AS): 12524
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14132
Number of IPv4 prefixes with a valid ROA: 11917
Number of IPv4 prefixes with an invalid ROA: 200
Number of IPv4 prefixes with no ROA: 13332
Total ASes present in the Internet Routing Table: 2761
Prefixes per ASN: 9.22
Origin-only ASes present in the Internet Routing Table: 2370
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: 4.7
Max AS path length visible: 16
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 43047
Number of 32-bit ASNs visible in the Routing Table: 649
Prefixes from 32-bit ASNs in the Routing Table: 4734
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: 9
Number of addresses announced to Internet: 242326014
Equivalent to 14 /8s, 113 /16s and 153 /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: 3324
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4673
Total APNIC prefixes after maximum aggregation: 2293
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4717
Unique aggregates announced from the APNIC address blocks: 2653
APNIC Region origin ASes present in the Internet Routing Table: 545
APNIC Prefixes per ASN: 8.66
APNIC Region origin ASes announcing only one prefix: 230
APNIC Region transit ASes present in the Internet Routing Table: 60
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: 208
Number of APNIC addresses announced to Internet: 45582912
Equivalent to 2 /8s, 183 /16s and 138 /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: 14465
Total ARIN prefixes after maximum aggregation: 6473
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 14268
Unique aggregates announced from the ARIN address blocks: 7264
ARIN Region origin ASes present in the Internet Routing Table: 1231
ARIN Prefixes per ASN: 11.59
ARIN Region origin ASes announcing only one prefix: 431
ARIN Region transit ASes present in the Internet Routing Table: 164
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: 197
Number of ARIN addresses announced to Internet: 131867521
Equivalent to 7 /8s, 220 /16s and 35 /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: 3625
Total RIPE prefixes after maximum aggregation: 2879
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3777
Unique aggregates announced from the RIPE address blocks: 3106
RIPE Region origin ASes present in the Internet Routing Table: 690
RIPE Prefixes per ASN: 5.47
RIPE Region origin ASes announcing only one prefix: 307
RIPE Region transit ASes present in the Internet Routing Table: 102
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: 148
Number of RIPE addresses announced to Internet: 57953024
Equivalent to 3 /8s, 116 /16s and 75 /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: 1609
Total LACNIC prefixes after maximum aggregation: 699
LACNIC Deaggregation factor: 2.30
Prefixes being announced from the LACNIC address blocks: 1612
Unique aggregates announced from the LACNIC address blocks: 876
LACNIC Region origin ASes present in the Internet Routing Table: 167
LACNIC Prefixes per ASN: 9.65
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 29
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: 69
Number of LACNIC addresses announced to Internet: 4193341
Equivalent to 0 /8s, 63 /16s and 252 /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: 1066
Total AfriNIC prefixes after maximum aggregation: 171
AfriNIC Deaggregation factor: 6.23
Prefixes being announced from the AfriNIC address blocks: 1066
Unique aggregates announced from the AfriNIC address blocks: 224
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 20.90
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2661632
Equivalent to 0 /8s, 40 /16s and 157 /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 603 2162 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 196 74 142 KREONET-AS-KR KISTI, KR
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 127 19 17 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 68 37 9 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 2720 3626 394 GOOGLE-CLOUD-PLATFORM, US
16509 2173 1639 876 AMAZON-02, US
15169 828 1997 61 GOOGLE, US
14618 827 4022 622 AMAZON-AES, US
376 202 178 151 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 157 11 35 GOOGLEWIFI, US
2152 142 507 91 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
81 127 521 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 1903 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 159 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 76 462 76 BELWUE BelWue-Koordination, DE
3267 69 69 50 RUNNET, RU
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
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 249 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
27947 122 0 95 Telconet S.A, EC
11340 115 25 52 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 51 17 4 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
3596 35 4 3 Universidad Autonoma Metropolitana, MX
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
2018 380 319 71 TENET-1, ZA
36914 248 82 3 KENET-AS, KE
327687 167 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
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 2720 3626 394 GOOGLE-CLOUD-PLATFORM, US
16509 2173 1639 876 AMAZON-02, US
15169 828 1997 61 GOOGLE, US
14618 827 4022 622 AMAZON-AES, US
2907 603 2162 466 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
1916 249 176 43 Rede Nacional de Ensino e Pesquisa, BR
36914 248 82 3 KENET-AS, KE
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 2173 1297 AMAZON-02, US
15169 828 767 GOOGLE, US
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
36914 248 245 KENET-AS, KE
1916 249 206 Rede Nacional de Ensino e Pesquisa, BR
14618 827 205 AMAZON-AES, US
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
327687 167 164 RENU, UG
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
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
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US
11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
134.208.0.0/16 Origin: 17711 NDHU-TW National Dong Hwa University, TW
134.208.0.0/16 Transit: 7539 TWAREN-TW National Center for High-perfo
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
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
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 /10:2 /11:4 /12:19
/13:34 /14:81 /15:161 /16:2110 /17:511 /18:490
/19:736 /20:2785 /21:1029 /22:1665 /23:1724 /24:13679
/25:89 /26:67 /27:74 /28:21 /29:86 /30:38
/31:34 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 298 2173 AMAZON-02, US
15169 275 828 GOOGLE, US
14618 262 827 AMAZON-AES, US
36914 237 248 KENET-AS, KE
396982 200 2720 GOOGLE-CLOUD-PLATFORM, US
8895 154 159 ISU Internet Services Unit ISU, SA
27947 97 122 Telconet S.A, EC
32440 81 111 LONI, US
23024 52 112 OCDE, US
1916 40 249 Rede Nacional de Ensino e Pesquisa, BR
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 3:81 5:20 8:28 12:1 13:44
14:89 15:70 16:112 18:66 23:111 24:3
31:9 34:21 35:51 38:9 40:5 41:119
42:10 43:1 44:9 45:60 46:12 47:1
49:9 50:3 52:558 54:228 58:1 59:19
60:5 61:3 62:12 63:35 64:160 65:12
66:72 67:61 68:13 69:34 70:44 71:3
72:13 74:142 76:47 77:11 78:3 79:10
80:13 81:25 82:7 83:7 84:10 85:32
86:4 87:3 88:1 89:20 91:58 92:5
93:4 94:4 95:2 96:7 97:1 98:11
99:47 101:3 102:35 103:300 104:218 107:33
108:104 109:12 111:16 114:31 115:1 116:8
117:61 118:32 119:18 121:28 122:8 123:8
124:40 125:4 128:88 129:49 130:140 131:68
132:64 133:152 134:109 135:3 136:293 137:146
138:10 139:17 140:39 141:7 142:278 143:22
144:39 145:3 146:144 147:67 148:202 149:16
150:44 151:16 152:135 153:14 154:30 155:73
156:67 157:23 158:39 159:148 160:30 161:30
162:86 163:85 164:23 165:51 166:1 167:22
168:157 169:12 170:135 171:1 172:114 173:116
174:2 175:18 176:11 177:6 178:1 179:9
180:15 182:1 184:3 185:104 186:3 187:18
188:20 189:3 190:5 191:13 192:1501 193:309
194:125 195:89 196:201 197:163 198:481 199:303
200:314 201:36 202:626 203:428 204:371 205:148
206:206 207:171 208:135 209:160 210:194 211:14
212:161 213:15 216:164 217:12 218:22 219:5
220:16 222:2 223:14
End of report
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