[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RedCLARA (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Thu Sep 5 22:15:49 UTC 2024


IPv4 R&E Routing Table Report   22:15 GMT Thu 05 Sep, 2024

  IPv4 BGP Table (R&E) as seen at RedCLARA.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/RedCLARA/

Analysis Summary
----------------

BGP routing table entries examined:                               26873
    Prefixes after maximum aggregation (per Origin AS):           13564
    Deaggregation factor:                                          1.98
    Unique aggregates announced (without unneeded subnets):       15375
    Number of IPv4 prefixes with a valid ROA:                     14181
    Number of IPv4 prefixes with an invalid ROA:                     16
    Number of IPv4 prefixes with no ROA:                          12676
Total ASes present in the Internet Routing Table:                  2784
    Prefixes per ASN:                                              9.65
Origin-only ASes present in the Internet Routing Table:            2419
Origin ASes announcing only one prefix:                            1071
Transit ASes present in the Internet Routing Table:                 365
Transit-only ASes present in the Internet Routing Table:             59
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      18
    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:                      45307
Number of 32-bit ASNs visible in the Routing Table:                 691
Prefixes from 32-bit ASNs in the Routing Table:                    4845
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:             11
Number of addresses announced to Internet:                    309379941
    Equivalent to 18 /8s, 112 /16s and 195 /24s
    Percentage of available address space announced:                8.4
    Percentage of allocated address space announced:                8.4
    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:        3625

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4777
    Total APNIC prefixes after maximum aggregation:                2327
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4893
    Unique aggregates announced from the APNIC address blocks:     2802
APNIC Region origin ASes present in the Internet Routing Table:     585
    APNIC Prefixes per ASN:                                        8.36
APNIC Region origin ASes announcing only one prefix:                245
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    231
Number of APNIC addresses announced to Internet:               47525237
    Equivalent to 2 /8s, 213 /16s and 45 /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:                     15958
    Total ARIN prefixes after maximum aggregation:                 7646
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:            15329
    Unique aggregates announced from the ARIN address blocks:      8151
ARIN Region origin ASes present in the Internet Routing Table:     1267
    ARIN Prefixes per ASN:                                        12.10
ARIN Region origin ASes announcing only one prefix:                 445
ARIN Region transit ASes present in the Internet Routing Table:     154
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     213
Number of ARIN addresses announced to Internet:               172731232
    Equivalent to 10 /8s, 75 /16s and 171 /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:                      3562
    Total RIPE prefixes after maximum aggregation:                 2869
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             4049
    Unique aggregates announced from the RIPE address blocks:      3452
RIPE Region origin ASes present in the Internet Routing Table:      664
    RIPE Prefixes per ASN:                                         6.10
RIPE Region origin ASes announcing only one prefix:                 295
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     153
Number of RIPE addresses announced to Internet:                81725840
    Equivalent to 4 /8s, 223 /16s and 9 /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:                    1425
    Total LACNIC prefixes after maximum aggregation:                538
    LACNIC Deaggregation factor:                                   2.65
Prefixes being announced from the LACNIC address blocks:           1433
    Unique aggregates announced from the LACNIC address blocks:     722
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       9.13
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       3.9
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4770048
    Equivalent to 0 /8s, 72 /16s and 201 /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:                   1150
    Total AfriNIC prefixes after maximum aggregation:               183
    AfriNIC Deaggregation factor:                                  6.28
Prefixes being announced from the AfriNIC address blocks:          1158
    Unique aggregates announced from the AfriNIC address blocks:    238
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     22.71
AfriNIC Region origin ASes announcing only one prefix:               31
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   30
Number of AfriNIC addresses announced to Internet:              2615552
    Equivalent to 0 /8s, 39 /16s and 233 /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         598       2169     465  SINET-AS Research Organization of Informa
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  1237         192         74     145  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         132         19      20  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/RedCLARA/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2803       3568     429  GOOGLE-CLOUD-PLATFORM, US
 16509        2294       1735    1026  AMAZON-02, US
 14618        1002       4180     749  AMAZON-AES, US
 15169         826       2007      68  GOOGLE, US
  8075         659      16043     559  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         198        162     148  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
   270         162        345      88  AS270, US
  2152         150        507      97  CENIC-2152, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         282       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         182       1765     179  JANET Jisc Services Limited, GB
  8895         135         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  SWITCH Peering requests: peering at switch.c
  1103          97       2015      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          90         26      70  ROEDUNET, RO
   137          81        676      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/RedCLARA/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         205        180      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          50          5      17  CEDIA, EC
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo a 
  4270          45         16       1  Red de Interconexion Universitaria, AR
  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/RedCLARA/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         520         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
 37074          15          8       2  UG-AS, GH
 37182          14          1      10  TERNET, TZ
 37661          13          8       5  NRaE1-AS, NG
 37215          11          8       1  MAREN, MW
 37501          11         49       6  UOFS, ZA

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2803       3568     429  GOOGLE-CLOUD-PLATFORM, US
 16509        2294       1735    1026  AMAZON-02, US
 14618        1002       4180     749  AMAZON-AES, US
 15169         826       2007      68  GOOGLE, US
  8075         659      16043     559  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2907         598       2169     465  SINET-AS Research Organization of Informa
 36914         520         82       3  KENET-AS, KE
  7497         451        212      25  CSTNET-AS-AP Computer Network Information
  2018         381        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutschen

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 16509        2294         1268  AMAZON-02, US
 15169         826          758  GOOGLE, US
 36914         520          517  KENET-AS, KE
  7497         451          426  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
 14618        1002          253  AMAZON-AES, US
  5786         198          197  UPRENET, PR
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
  1916         205          163  Rede Nacional de Ensino e Pesquisa, BR

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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/RedCLARA/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
103.165.160.0/24     Origin:     16509  AMAZON-02, US
103.165.160.0/24    Transit:     27750  Cooperacion Latino Americana de Redes Av
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
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/RedCLARA/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       /10:3       /11:11      /12:33      
/13:48      /14:107     /15:198     /16:2294    /17:536     /18:531     
/19:761     /20:2815    /21:1100    /22:1672    /23:1792    /24:14803   
/25:38      /26:52      /27:33      /28:7       /29:15      /30:6       
/31:3       /32:14      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         498         520  KENET-AS, KE
 16509         341        2294  AMAZON-02, US
 14618         321        1002  AMAZON-AES, US
 15169         268         826  GOOGLE, US
396982         239        2803  GOOGLE-CLOUD-PLATFORM, US
  8895         130         135  ISU Internet Services Unit ISU, SA
  8075         116         659  MICROSOFT-CORP-MSN-AS-BLOCK, US
  1916          41         205  Rede Nacional de Ensino e Pesquisa, BR
327700          41          47  MoRENet, MZ
 23024          38          95  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         2:1         3:102       5:23        8:28       12:1      
  13:80       14:91       15:72       16:119      18:81       23:110    
  24:3        31:5        34:23       35:49       36:1        38:10     
  40:5        41:242      42:10       43:2        44:6        45:83     
  46:11       47:1        49:11       50:7        52:556      54:163    
  57:1        58:1        59:19       60:6        61:3        62:15     
  63:38       64:161      65:16       66:79       67:70       68:17     
  69:47       70:42       71:3        72:14       74:156      75:1      
  76:48       77:13       78:3        79:10       80:14       81:26     
  82:6        83:7        84:6        85:50       86:5        87:4      
  88:1        89:20       91:60       92:9        93:6        94:6      
  95:3        96:7        97:1        98:10       99:47      101:2      
 102:16      103:360     104:228     107:38      108:114     109:8      
 111:17      113:6       114:32      115:1       116:11      117:62     
 118:34      119:24      121:28      122:8       123:8       124:43     
 125:5       128:84      129:40      130:149     131:73      132:67     
 133:154     134:108     135:7       136:304     137:70      138:64     
 139:18      140:41      141:8       142:272     143:28      144:47     
 145:7       146:136     147:78      148:201     149:18      150:47     
 151:38      152:148     153:15      154:37      155:88      156:142    
 157:27      158:45      159:158     160:30      161:38      162:83     
 163:67      164:30      165:65      166:4       167:24      168:170    
 169:13      170:162     171:1       172:113     173:113     174:2      
 175:17      176:3       177:5       178:3       179:13      180:16     
 181:1       182:9       184:8       185:139     186:3       187:21     
 188:19      189:3       190:18      191:13      192:1565    193:289    
 194:136     195:76      196:147     197:313     198:510     199:349    
 200:292     201:38      202:653     203:447     204:407     205:157    
 206:230     207:256     208:151     209:181     210:217     211:3      
 212:170     213:21      216:202     217:14      218:21      219:5      
 220:17      222:2       223:15     

End of report


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