[REN-BGP-stats-all] IPv4 R&E Routing Table Report - CEDIA (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Aug 2 22:10:46 UTC 2024
IPv4 R&E Routing Table Report 22:10 GMT Fri 02 Aug, 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: 26130
Prefixes after maximum aggregation (per Origin AS): 12975
Deaggregation factor: 2.01
Unique aggregates announced (without unneeded subnets): 14636
Number of IPv4 prefixes with a valid ROA: 13188
Number of IPv4 prefixes with an invalid ROA: 171
Number of IPv4 prefixes with no ROA: 12771
Total ASes present in the Internet Routing Table: 2778
Prefixes per ASN: 9.41
Origin-only ASes present in the Internet Routing Table: 2402
Origin ASes announcing only one prefix: 1053
Transit ASes present in the Internet Routing Table: 376
Transit-only ASes present in the Internet Routing Table: 68
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 (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 45074
Number of 32-bit ASNs visible in the Routing Table: 668
Prefixes from 32-bit ASNs in the Routing Table: 4723
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: 10
Number of addresses announced to Internet: 240080538
Equivalent to 14 /8s, 79 /16s and 86 /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: 3669
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4781
Total APNIC prefixes after maximum aggregation: 2338
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4844
Unique aggregates announced from the APNIC address blocks: 2744
APNIC Region origin ASes present in the Internet Routing Table: 587
APNIC Prefixes per ASN: 8.25
APNIC Region origin ASes announcing only one prefix: 247
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 5.6
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 231
Number of APNIC addresses announced to Internet: 45871680
Equivalent to 2 /8s, 187 /16s and 242 /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: 15105
Total ARIN prefixes after maximum aggregation: 6935
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 14834
Unique aggregates announced from the ARIN address blocks: 7668
ARIN Region origin ASes present in the Internet Routing Table: 1258
ARIN Prefixes per ASN: 11.79
ARIN Region origin ASes announcing only one prefix: 439
ARIN Region transit ASes present in the Internet Routing Table: 156
Average ARIN Region AS path length visible: 4.4
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 209
Number of ARIN addresses announced to Internet: 129877873
Equivalent to 7 /8s, 189 /16s and 199 /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, 393216-402332
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: 3614
Total RIPE prefixes after maximum aggregation: 2914
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3805
Unique aggregates announced from the RIPE address blocks: 3203
RIPE Region origin ASes present in the Internet Routing Table: 679
RIPE Prefixes per ASN: 5.60
RIPE Region origin ASes announcing only one prefix: 304
RIPE Region transit ASes present in the Internet Routing Table: 104
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: 154
Number of RIPE addresses announced to Internet: 57694608
Equivalent to 3 /8s, 112 /16s and 89 /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: 1510
Total LACNIC prefixes after maximum aggregation: 632
LACNIC Deaggregation factor: 2.39
Prefixes being announced from the LACNIC address blocks: 1516
Unique aggregates announced from the LACNIC address blocks: 811
LACNIC Region origin ASes present in the Internet Routing Table: 152
LACNIC Prefixes per ASN: 9.97
LACNIC Region origin ASes announcing only one prefix: 47
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60
Number of LACNIC addresses announced to Internet: 4196185
Equivalent to 0 /8s, 64 /16s and 7 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 1119
Total AfriNIC prefixes after maximum aggregation: 155
AfriNIC Deaggregation factor: 7.22
Prefixes being announced from the AfriNIC address blocks: 1121
Unique aggregates announced from the AfriNIC address blocks: 201
AfriNIC Region origin ASes present in the Internet Routing Table: 33
AfriNIC Prefixes per ASN: 33.97
AfriNIC Region origin ASes announcing only one prefix: 16
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.3
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 2428416
Equivalent to 0 /8s, 37 /16s and 14 /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 464 SINET-AS Research Organization of Informa
7497 447 180 24 CSTNET-AS-AP Computer Network Information
1237 191 74 144 KREONET-AS-KR KISTI, KR
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 115 AARNET-AS-AP Australian Academic and Rese
55824 131 18 19 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
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 2761 3584 408 GOOGLE-CLOUD-PLATFORM, US
16509 2259 1767 1013 AMAZON-02, US
14618 986 4180 738 AMAZON-AES, US
15169 830 2007 68 GOOGLE, US
376 202 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 176 34 7 LACOE, US
270 162 345 88 AS270, US
2152 150 507 97 CENIC-2152, US
18558 135 18 4 NETBLK-RCOEK, 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
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
786 184 1767 181 JANET Jisc Services Limited, GB
8895 136 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch.c
1103 96 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 90 26 70 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 76 26 66 NIKS, 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 197 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M
11340 118 25 55 Red Universitaria Nacional, CL
27947 117 0 89 Telconet S.A, EC
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
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 531 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 47 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 14 8 1 TERNET, TZ
37661 13 8 5 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
37654 6 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 2761 3584 408 GOOGLE-CLOUD-PLATFORM, US
16509 2259 1767 1013 AMAZON-02, US
14618 986 4180 738 AMAZON-AES, US
15169 830 2007 68 GOOGLE, US
2907 600 2162 464 SINET-AS Research Organization of Informa
36914 531 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 381 319 71 TENET-1, ZA
680 282 1899 250 DFN Verein zur Foerderung eines Deutschen
376 202 162 151 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 2259 1246 AMAZON-02, US
15169 830 762 GOOGLE, US
36914 531 528 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
14618 986 248 AMAZON-AES, US
5786 198 197 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
2920 176 169 LACOE, US
1916 197 154 Rede Nacional de Ensino e Pesquisa, BR
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
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
185.137.157.0/24 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US
185.137.157.0/24 Transit: 15169 GOOGLE, 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
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
/13:35 /14:81 /15:158 /16:2104 /17:513 /18:505
/19:741 /20:2811 /21:1082 /22:1632 /23:1771 /24:14316
/25:46 /26:65 /27:72 /28:21 /29:77 /30:31
/31:39 /32:5
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 509 531 KENET-AS, KE
16509 344 2259 AMAZON-02, US
14618 324 986 AMAZON-AES, US
15169 275 830 GOOGLE, US
396982 222 2761 GOOGLE-CLOUD-PLATFORM, US
8895 131 136 ISU Internet Services Unit ISU, SA
27947 93 117 Telconet S.A, EC
32440 82 117 LONI, US
327700 41 47 MoRENet, MZ
1916 39 197 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 3:90 5:21 8:28 12:1 13:46
14:91 15:72 16:115 18:71 23:107 24:3
31:5 34:23 35:49 36:1 37:8 38:10
40:5 41:239 42:10 43:3 44:7 45:70
46:11 47:1 49:10 50:7 52:551 54:163
57:1 58:1 59:19 60:6 61:3 62:9
63:37 64:158 65:16 66:78 67:68 68:15
69:45 70:42 71:3 72:13 74:152 75:1
76:47 77:12 78:3 79:10 80:14 81:25
82:6 83:7 84:7 85:46 86:5 87:4
88:1 89:21 91:59 92:7 93:13 94:2
95:2 96:7 97:1 98:10 99:47 101:2
102:8 103:354 104:226 107:38 108:113 109:12
111:16 113:2 114:32 115:1 116:10 117:62
118:34 119:23 121:28 122:8 123:8 124:42
125:5 128:84 129:40 130:146 131:66 132:67
133:155 134:107 135:3 136:301 137:66 138:60
139:17 140:42 141:7 142:265 143:25 144:42
145:3 146:145 147:77 148:201 149:16 150:41
151:35 152:141 153:15 154:37 155:77 156:143
157:30 158:44 159:154 160:30 161:30 162:76
163:67 164:24 165:65 166:2 167:21 168:158
169:11 170:153 171:1 172:113 173:116 174:2
175:29 176:10 177:6 178:1 179:10 180:16
182:9 184:7 185:108 186:3 187:17 188:18
189:3 190:3 191:13 192:1526 193:282 194:126
195:73 196:150 197:316 198:491 199:325 200:281
201:34 202:650 203:441 204:381 205:155 206:214
207:233 208:146 209:169 210:219 211:14 212:164
213:17 216:196 217:12 218:22 219:5 220:17
222:2 223:14
End of report
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