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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Jun 8 22:15:48 UTC 2024


IPv4 R&E Routing Table Report   22:15 GMT Sat 08 Jun, 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:                               25659
    Prefixes after maximum aggregation (per Origin AS):           12952
    Deaggregation factor:                                          1.98
    Unique aggregates announced (without unneeded subnets):       14649
    Number of IPv4 prefixes with a valid ROA:                     13255
    Number of IPv4 prefixes with an invalid ROA:                      8
    Number of IPv4 prefixes with no ROA:                          12396
Total ASes present in the Internet Routing Table:                  2709
    Prefixes per ASN:                                              9.47
Origin-only ASes present in the Internet Routing Table:            2348
Origin ASes announcing only one prefix:                            1046
Transit ASes present in the Internet Routing Table:                 361
Transit-only ASes present in the Internet Routing Table:             61
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:                                      14
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      44715
Number of 32-bit ASNs visible in the Routing Table:                 641
Prefixes from 32-bit ASNs in the Routing Table:                    4593
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:              5
Number of addresses announced to Internet:                    294758112
    Equivalent to 17 /8s, 145 /16s and 166 /24s
    Percentage of available address space announced:                8.0
    Percentage of allocated address space announced:                8.0
    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:        3395

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

Prefixes being announced by APNIC Region ASes:                     4642
    Total APNIC prefixes after maximum aggregation:                2281
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4747
    Unique aggregates announced from the APNIC address blocks:     2678
APNIC Region origin ASes present in the Internet Routing Table:     549
    APNIC Prefixes per ASN:                                        8.65
APNIC Region origin ASes announcing only one prefix:                233
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    210
Number of APNIC addresses announced to Internet:               47136320
    Equivalent to 2 /8s, 207 /16s and 62 /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:                     15363
    Total ARIN prefixes after maximum aggregation:                 7150
    ARIN Deaggregation factor:                                     2.15
Prefixes being announced from the ARIN address blocks:            14911
    Unique aggregates announced from the ARIN address blocks:      7754
ARIN Region origin ASes present in the Internet Routing Table:     1257
    ARIN Prefixes per ASN:                                        11.86
ARIN Region origin ASes announcing only one prefix:                 444
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     211
Number of ARIN addresses announced to Internet:               169544432
    Equivalent to 10 /8s, 27 /16s and 10 /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:                      3622
    Total RIPE prefixes after maximum aggregation:                 2889
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3951
    Unique aggregates announced from the RIPE address blocks:      3328
RIPE Region origin ASes present in the Internet Routing Table:      677
    RIPE Prefixes per ASN:                                         5.84
RIPE Region origin ASes announcing only one prefix:                 299
RIPE Region transit ASes present in the Internet Routing Table:     100
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:     151
Number of RIPE addresses announced to Internet:                71027600
    Equivalent to 4 /8s, 59 /16s and 203 /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:                    1186
    Total LACNIC prefixes after maximum aggregation:                481
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1194
    Unique aggregates announced from the LACNIC address blocks:     684
LACNIC Region origin ASes present in the Internet Routing Table:    132
    LACNIC Prefixes per ASN:                                       9.05
LACNIC Region origin ASes announcing only one prefix:                53
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       4.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    56
Number of LACNIC addresses announced to Internet:               4503072
    Equivalent to 0 /8s, 68 /16s and 182 /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:                    844
    Total AfriNIC prefixes after maximum aggregation:               149
    AfriNIC Deaggregation factor:                                  5.66
Prefixes being announced from the AfriNIC address blocks:           851
    Unique aggregates announced from the AfriNIC address blocks:    200
AfriNIC Region origin ASes present in the Internet Routing Table:    32
    AfriNIC Prefixes per ASN:                                     26.59
AfriNIC Region origin ASes announcing only one prefix:               17
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      3.1
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:              2545408
    Equivalent to 0 /8s, 38 /16s and 215 /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         601       2162     465  SINET-AS Research Organization of Infor
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  1237         193         74     142  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     115  AARNET-AS-AP Australian Academic and Re
 55824         131         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  9411          82         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  4621          70         37      10  UNINET-AS-AP UNINET-, TH

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        2759       3633     408  GOOGLE-CLOUD-PLATFORM, US
 16509        2204       1720     967  AMAZON-02, US
 14618         925       4168     705  AMAZON-AES, US
 15169         823       1997      62  GOOGLE, US
  8075         483      13696     406  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         176         34       7  LACOE, US
 36492         165         12      38  GOOGLEWIFI, US
  2152         149        507      94  CSUNET-NW, 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 Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         160         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     103  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
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          76         26      66  RUNNET, 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         156        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         109         25      52  Red Universitaria Nacional, CL
271640          65          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          46         99      35  Fundacao Carlos Chagas Filho de Amparo 
 61468          43          3      14  CEDIA, EC
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 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/RedCLARA/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         376        319      71  TENET-1, ZA
 36914         250         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          40         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          12          8       1  TERNET, TZ
 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/RedCLARA/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2759       3633     408  GOOGLE-CLOUD-PLATFORM, US
 16509        2204       1720     967  AMAZON-02, US
 14618         925       4168     705  AMAZON-AES, US
 15169         823       1997      62  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Infor
  8075         483      13696     406  MICROSOFT-CORP-MSN-AS-BLOCK, US
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         250         82       3  KENET-AS, KE

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        2204         1237  AMAZON-02, US
 15169         823          761  GOOGLE, US
  7497         440          416  CSTNET-AS-AP Computer Network Information Cente
  2018         376          305  TENET-1, ZA
 36914         250          247  KENET-AS, KE
 14618         925          220  AMAZON-AES, US
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         176          169  LACOE, US
  8895         160          155  ISU Internet Services Unit ISU, SA

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
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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
199.91.149.0/24      Origin:     14618  AMAZON-AES, US
199.91.149.0/24     Transit:     16509  AMAZON-02, US
204.153.219.0/24     Origin:     14618  AMAZON-AES, US
204.153.219.0/24    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       /11:10      /12:33      
/13:47      /14:104     /15:193     /16:2141    /17:527     /18:515     
/19:743     /20:2804    /21:1033    /22:1666    /23:1746    /24:13882   
/25:72      /26:46      /27:66      /28:7       /29:14      /30:3       
/31:0       /32:3       

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

   ASN  No of nets  Total ann.  Description
 16509         328        2204  AMAZON-02, US
 14618         306         925  AMAZON-AES, US
 15169         275         823  GOOGLE, US
 36914         237         250  KENET-AS, KE
396982         221        2759  GOOGLE-CLOUD-PLATFORM, US
  8895         155         160  ISU Internet Services Unit ISU, SA
  8075         104         483  MICROSOFT-CORP-MSN-AS-BLOCK, US
 32440          84         118  LONI, US
 23024          49         106  OCDE, US
327700          37          40  MoRENet, MZ

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

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

   1:2         2:1         3:85        5:22        8:28       12:1      
  13:77       14:91       15:71       16:115      18:70       23:110    
  24:3        31:3        34:23       35:48       36:1        38:10     
  40:5        41:199      42:10       43:2        44:7        45:70     
  46:12       47:1        49:9        50:5        52:557      54:163    
  59:19       60:6        61:3        62:16       63:37       64:164    
  65:16       66:84       67:66       68:15       69:52       70:43     
  71:3        72:12       74:153      75:1        76:47       77:12     
  78:3        79:10       80:15       81:27       82:6        83:7      
  84:6        85:45       86:5        87:4        88:1        89:21     
  91:65       92:7        93:5        94:6        95:3        96:7      
  97:1        98:10       99:47      101:2       102:8       103:303    
 104:226     107:35      108:106     109:12      111:1       113:4      
 114:32      115:1       116:10      117:62      118:34      119:21     
 121:11      122:8       123:8       124:41      125:5       128:88     
 129:45      130:139     131:73      132:66      133:157     134:108    
 135:6       136:298     137:70      138:62      139:17      140:42     
 141:8       142:269     143:29      144:42      145:6       146:136    
 147:77      148:202     149:17      150:48      151:20      152:139    
 153:15      154:28      155:83      156:137     157:32      158:42     
 159:153     160:30      161:37      162:105     163:65      164:24     
 165:66      166:1       167:28      168:139     169:10      170:93     
 171:1       172:113     173:117     174:2       175:18      176:11     
 177:4       178:2       179:13      180:15      181:1       182:1      
 184:2       185:134     186:3       187:18      188:19      189:3      
 190:17      191:13      192:1463    193:284     194:137     195:77     
 196:151     197:113     198:479     199:333     200:214     201:37     
 202:617     203:438     204:391     205:157     206:214     207:235    
 208:152     209:179     210:192     211:14      212:173     213:18     
 216:199     217:15      218:22      219:5       220:17      222:2      
 223:14     

End of report


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