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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Apr 27 22:10:44 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Sat 27 Apr, 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:                               25564
    Prefixes after maximum aggregation (per Origin AS):           12631
    Deaggregation factor:                                          2.02
    Unique aggregates announced (without unneeded subnets):       14190
    Number of IPv4 prefixes with a valid ROA:                     12453
    Number of IPv4 prefixes with an invalid ROA:                    162
    Number of IPv4 prefixes with no ROA:                          12949
Total ASes present in the Internet Routing Table:                  2734
    Prefixes per ASN:                                              9.35
Origin-only ASes present in the Internet Routing Table:            2362
Origin ASes announcing only one prefix:                            1041
Transit ASes present in the Internet Routing Table:                 372
Transit-only ASes present in the Internet Routing Table:             67
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                13
    Number of instances of unregistered ASNs:                        13
Number of 32-bit ASNs allocated by the RIRs:                      44303
Number of 32-bit ASNs visible in the Routing Table:                 644
Prefixes from 32-bit ASNs in the Routing Table:                    4648
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:              4
Number of addresses announced to Internet:                    239759276
    Equivalent to 14 /8s, 74 /16s and 111 /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:        3364

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

Prefixes being announced by APNIC Region ASes:                     4612
    Total APNIC prefixes after maximum aggregation:                2271
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4664
    Unique aggregates announced from the APNIC address blocks:     2613
APNIC Region origin ASes present in the Internet Routing Table:     548
    APNIC Prefixes per ASN:                                        8.51
APNIC Region origin ASes announcing only one prefix:                233
APNIC Region transit ASes present in the Internet Routing Table:     57
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    209
Number of APNIC addresses announced to Internet:               45563200
    Equivalent to 2 /8s, 183 /16s and 61 /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:                     15171
    Total ARIN prefixes after maximum aggregation:                 6722
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:            14949
    Unique aggregates announced from the ARIN address blocks:      7511
ARIN Region origin ASes present in the Internet Routing Table:     1250
    ARIN Prefixes per ASN:                                        11.96
ARIN Region origin ASes announcing only one prefix:                 437
ARIN Region transit ASes present in the Internet Routing Table:     159
Average ARIN Region AS path length visible:                         4.6
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     207
Number of ARIN addresses announced to Internet:               129819121
    Equivalent to 7 /8s, 188 /16s and 225 /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:                      3624
    Total RIPE prefixes after maximum aggregation:                 2893
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3795
    Unique aggregates announced from the RIPE address blocks:      3179
RIPE Region origin ASes present in the Internet Routing Table:      681
    RIPE Prefixes per ASN:                                         5.57
RIPE Region origin ASes announcing only one prefix:                 307
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     153
Number of RIPE addresses announced to Internet:                57709200
    Equivalent to 3 /8s, 112 /16s and 146 /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:                    1338
    Total LACNIC prefixes after maximum aggregation:                583
    LACNIC Deaggregation factor:                                   2.30
Prefixes being announced from the LACNIC address blocks:           1344
    Unique aggregates announced from the LACNIC address blocks:     682
LACNIC Region origin ASes present in the Internet Routing Table:    153
    LACNIC Prefixes per ASN:                                       8.78
LACNIC Region origin ASes announcing only one prefix:                48
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               4239851
    Equivalent to 0 /8s, 64 /16s and 177 /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:                    806
    Total AfriNIC prefixes after maximum aggregation:               151
    AfriNIC Deaggregation factor:                                  5.34
Prefixes being announced from the AfriNIC address blocks:           808
    Unique aggregates announced from the AfriNIC address blocks:    201
AfriNIC Region origin ASes present in the Internet Routing Table:    32
    AfriNIC Prefixes per ASN:                                     25.25
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:                      4.0
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   12
Number of AfriNIC addresses announced to Internet:              2426880
    Equivalent to 0 /8s, 37 /16s and 8 /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         443        180      24  CSTNET-AS-AP Computer Network Informati
  1237         191         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
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         129         19      19  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        2767       3639     415  GOOGLE-CLOUD-PLATFORM, US
 16509        2173       1677     937  AMAZON-02, US
 14618         899       4165     680  AMAZON-AES, US
 15169         839       1997      61  GOOGLE, US
  2152         440        507      94  CSUNET-NW, US
   376         201        162     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2920         174         34       7  LACOE, US
 36492         165         12      38  GOOGLEWIFI, US
   270         162        345      88  AS270, 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         284       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         161         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          92         27      72  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          77         27      65  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         158        176      43  Rede Nacional de Ensino e Pesquisa, BR
 11340         116         25      53  Red Universitaria Nacional, CL
 27947         116          0      88  Telconet S.A, EC
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  3596          35          2       2  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         203         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          45         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37654          13          1       7  RwEdNet-AS, RW
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 31960           5          1       1  EMUNET, MZ

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        2767       3639     415  GOOGLE-CLOUD-PLATFORM, US
 16509        2173       1677     937  AMAZON-02, US
 14618         899       4165     680  AMAZON-AES, US
 15169         839       1997      61  GOOGLE, US
  2907         601       2162     465  SINET-AS Research Organization of Infor
  7497         443        180      24  CSTNET-AS-AP Computer Network Informati
  2152         440        507      94  CSUNET-NW, US
  2018         380        319      71  TENET-1, ZA
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
 36914         203         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         1236  AMAZON-02, US
 15169         839          778  GOOGLE, US
  7497         443          419  CSTNET-AS-AP Computer Network Information Cente
  2152         440          346  CSUNET-NW, US
  2018         380          309  TENET-1, ZA
 14618         899          219  AMAZON-AES, US
 36914         203          200  KENET-AS, KE
  5786         197          196  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         174          167  LACOE, US

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

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
199.91.149.0/24      Origin:     14618  AMAZON-AES, US
199.91.149.0/24     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      /15:160     /16:2105    /17:511     /18:499     
/19:727     /20:2786    /21:1069    /22:1701    /23:1800    /24:13688   
/25:78      /26:52      /27:73      /28:21      /29:78      /30:32      
/31:38      /32:5       

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

   ASN  No of nets  Total ann.  Description
 16509         319        2173  AMAZON-02, US
 14618         294         899  AMAZON-AES, US
 15169         278         839  GOOGLE, US
396982         223        2767  GOOGLE-CLOUD-PLATFORM, US
 36914         190         203  KENET-AS, KE
  8895         156         161  ISU Internet Services Unit ISU, SA
 27947          91         116  Telconet S.A, EC
 32440          87         120  LONI, US
 23024          51         108  OCDE, US
  2152          50         440  CSUNET-NW, US

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        13:45     
  14:89       15:71       16:112      18:66       23:110      24:3      
  31:3        34:25       35:51       36:1        38:10       40:5      
  41:143      42:10       43:2        44:8        45:56       46:11     
  47:1        49:9        50:5        52:551      54:163      59:19     
  60:6        61:3        62:9        63:36       64:160      65:12     
  66:82       67:64       68:14       69:41       70:44       71:3      
  72:11       74:152      75:1        76:47       77:13       78:3      
  79:10       80:13       81:26       82:7        83:7        84:7      
  85:44       86:5        87:4        88:1        89:21       91:59     
  92:5        93:4        94:2        95:2        96:7        97:1      
  98:10       99:47      101:3       102:6       103:296     104:225    
 107:34      108:107     109:10      114:32      115:1       116:10     
 117:61      118:33      119:21      121:11      122:8       123:8      
 124:42      125:5       128:89      129:39      130:138     131:65     
 132:65      133:157     134:110     135:3       136:297     137:93     
 138:58      139:17      140:42      141:6       142:276     143:24     
 144:40      145:3       146:144     147:75      148:49      149:18     
 150:43      151:18      152:135     153:14      154:32      155:75     
 156:141     157:28      158:39      159:148     160:30      161:29     
 162:99      163:80      164:24      165:61      166:1       167:20     
 168:156     169:10      170:153     171:1       172:114     173:116    
 174:2       175:18      176:10      177:6       178:3       179:10     
 180:15      182:1       184:6       185:108     186:3       187:18     
 188:18      189:3       190:2       191:13      192:1516    193:283    
 194:129     195:72      196:154     197:117     198:546     199:308    
 200:250     201:33      202:630     203:428     204:391     205:169    
 206:200     207:240     208:148     209:210     210:190     211:14     
 212:163     213:17      216:190     217:12      218:22      219:5      
 220:17      222:2       223:14     

End of report


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