[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Nov 27 22:10:42 UTC 2023
IPv4 R&E Routing Table Report 22:10 GMT Mon 27 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: 25439
Prefixes after maximum aggregation (per Origin AS): 12523
Deaggregation factor: 2.03
Unique aggregates announced (without unneeded subnets): 14090
Number of IPv4 prefixes with a valid ROA: 11986
Number of IPv4 prefixes with an invalid ROA: 202
Number of IPv4 prefixes with no ROA: 13251
Total ASes present in the Internet Routing Table: 2763
Prefixes per ASN: 9.21
Origin-only ASes present in the Internet Routing Table: 2377
Origin ASes announcing only one prefix: 1056
Transit ASes present in the Internet Routing Table: 386
Transit-only ASes present in the Internet Routing Table: 71
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: 43108
Number of 32-bit ASNs visible in the Routing Table: 651
Prefixes from 32-bit ASNs in the Routing Table: 4739
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: 8
Number of addresses announced to Internet: 242361296
Equivalent to 14 /8s, 114 /16s and 35 /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: 3326
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4612
Total APNIC prefixes after maximum aggregation: 2280
APNIC Deaggregation factor: 2.02
Prefixes being announced from the APNIC address blocks: 4658
Unique aggregates announced from the APNIC address blocks: 2589
APNIC Region origin ASes present in the Internet Routing Table: 545
APNIC Prefixes per ASN: 8.55
APNIC Region origin ASes announcing only one prefix: 232
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: 210
Number of APNIC addresses announced to Internet: 45627968
Equivalent to 2 /8s, 184 /16s and 58 /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: 14501
Total ARIN prefixes after maximum aggregation: 6484
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 14304
Unique aggregates announced from the ARIN address blocks: 7287
ARIN Region origin ASes present in the Internet Routing Table: 1233
ARIN Prefixes per ASN: 11.60
ARIN Region origin ASes announcing only one prefix: 432
ARIN Region transit ASes present in the Internet Routing Table: 163
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: 196
Number of ARIN addresses announced to Internet: 131800193
Equivalent to 7 /8s, 219 /16s and 28 /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: 3632
Total RIPE prefixes after maximum aggregation: 2881
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3783
Unique aggregates announced from the RIPE address blocks: 3110
RIPE Region origin ASes present in the Internet Routing Table: 693
RIPE Prefixes per ASN: 5.46
RIPE Region origin ASes announcing only one prefix: 310
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: 58027264
Equivalent to 3 /8s, 117 /16s and 109 /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: 1606
Total LACNIC prefixes after maximum aggregation: 695
LACNIC Deaggregation factor: 2.31
Prefixes being announced from the LACNIC address blocks: 1609
Unique aggregates announced from the LACNIC address blocks: 868
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 9.75
LACNIC Region origin ASes announcing only one prefix: 54
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: 67
Number of LACNIC addresses announced to Internet: 4240655
Equivalent to 0 /8s, 64 /16s and 181 /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: 1077
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 6.19
Prefixes being announced from the AfriNIC address blocks: 1077
Unique aggregates announced from the AfriNIC address blocks: 228
AfriNIC Region origin ASes present in the Internet Routing Table: 54
AfriNIC Prefixes per ASN: 19.94
AfriNIC Region origin ASes announcing only one prefix: 28
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: 30
Number of AfriNIC addresses announced to Internet: 2663168
Equivalent to 0 /8s, 40 /16s and 163 /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
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
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 69 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 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US
16509 2182 1641 884 AMAZON-02, US
14618 831 4022 626 AMAZON-AES, US
15169 830 1997 61 GOOGLE, US
376 200 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
36492 157 11 35 GOOGLEWIFI, US
2152 146 507 94 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 95 1503 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
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
3267 65 69 51 RUNNET, RU
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 248 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
27947 120 0 96 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 252 82 3 KENET-AS, KE
327687 166 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
37215 11 8 1 MAREN, MW
37501 11 49 6 UOFS, ZA
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 2722 3631 374 GOOGLE-CLOUD-PLATFORM, US
16509 2182 1641 884 AMAZON-02, US
14618 831 4022 626 AMAZON-AES, US
15169 830 1997 61 GOOGLE, 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
36914 252 82 3 KENET-AS, KE
1916 248 176 43 Rede Nacional de Ensino e Pesquisa, BR
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 2182 1298 AMAZON-02, US
15169 830 769 GOOGLE, US
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
36914 252 249 KENET-AS, KE
14618 831 205 AMAZON-AES, US
1916 248 205 Rede Nacional de Ensino e Pesquisa, BR
5786 197 196 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
327687 166 163 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
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
216.117.204.0/24 Origin: 14618 AMAZON-AES, US
216.117.204.0/24 Transit: 16509 AMAZON-02, US
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 /16:2112 /17:512 /18:491
/19:738 /20:2789 /21:1030 /22:1669 /23:1725 /24:13653
/25:89 /26:68 /27:76 /28:22 /29:82 /30:38
/31:34 /32:9
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 298 2182 AMAZON-02, US
15169 275 830 GOOGLE, US
14618 263 831 AMAZON-AES, US
36914 241 252 KENET-AS, KE
396982 199 2722 GOOGLE-CLOUD-PLATFORM, US
8895 154 159 ISU Internet Services Unit ISU, SA
27947 97 120 Telconet S.A, EC
32440 81 112 LONI, US
23024 52 112 OCDE, US
1916 40 248 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 3:82 5:20 8:28 12:1 13:45
14:89 15:70 16:112 18:66 23:111 24:3
31:9 34:21 35:51 38:9 40:5 41:121
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 65:13
66:72 67:61 68:13 69:33 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 85:31
86:4 87:3 88:1 89:20 91:57 92:5
93:4 94:4 95:2 96:7 97:1 98:11
99:47 101:3 102:36 103:303 104:215 107:33
108:104 109:10 111:16 114:31 115:1 116:8
117:5 118:32 119:18 121:28 122:8 123:8
124:40 125:4 128:88 129:48 130:139 131:68
132:64 133:152 134:109 135:3 136:293 137:145
138:10 139:17 140:40 141:7 142:280 143:22
144:40 145:3 146:144 147:67 148:202 149:16
150:44 151:16 152:135 153:14 154:30 155:73
156:67 157:23 158:39 159:148 160:30 161:30
162:86 163:85 164:23 165:51 166:1 167:24
168:154 169:12 170:142 171:1 172:113 173:116
174:2 175:18 176:11 177:6 178:1 179:9
180:15 182:1 184:2 185:106 186:3 187:18
188:20 189:3 190:5 191:13 192:1503 193:311
194:126 195:92 196:204 197:167 198:481 199:304
200:313 201:36 202:627 203:422 204:374 205:146
206:207 207:179 208:135 209:161 210:194 211:14
212:161 213:15 216:164 217:13 218:22 219:5
220:16 222:2 223:14
End of report
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