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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jun 10 18:01:01 UTC 2024


IPv4 R&E Routing Table Report   18:00 GMT Mon 10 Jun, 2024

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

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

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

BGP routing table entries examined:                               17365
    Prefixes after maximum aggregation (per Origin AS):            9528
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       10378
    Number of IPv4 prefixes with a valid ROA:                      5308
    Number of IPv4 prefixes with an invalid ROA:                     91
    Number of IPv4 prefixes with no ROA:                          11966
Total ASes present in the Internet Routing Table:                  2565
    Prefixes per ASN:                                              6.77
Origin-only ASes present in the Internet Routing Table:            2225
Origin ASes announcing only one prefix:                             996
Transit ASes present in the Internet Routing Table:                 340
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      16
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      44722
Number of 32-bit ASNs visible in the Routing Table:                 613
Prefixes from 32-bit ASNs in the Routing Table:                    1723
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    186272210
    Equivalent to 11 /8s, 26 /16s and 73 /24s
    Percentage of available address space announced:                5.0
    Percentage of allocated address space announced:                5.0
    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:        2489

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

Prefixes being announced by APNIC Region ASes:                     3988
    Total APNIC prefixes after maximum aggregation:                1912
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            3989
    Unique aggregates announced from the APNIC address blocks:     2079
APNIC Region origin ASes present in the Internet Routing Table:     502
    APNIC Prefixes per ASN:                                        7.95
APNIC Region origin ASes announcing only one prefix:                223
APNIC Region transit ASes present in the Internet Routing Table:     54
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    206
Number of APNIC addresses announced to Internet:               38388033
    Equivalent to 2 /8s, 73 /16s and 193 /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:                      7753
    Total ARIN prefixes after maximum aggregation:                 4379
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:             7769
    Unique aggregates announced from the ARIN address blocks:      4828
ARIN Region origin ASes present in the Internet Routing Table:     1217
    ARIN Prefixes per ASN:                                         6.38
ARIN Region origin ASes announcing only one prefix:                 427
ARIN Region transit ASes present in the Internet Routing Table:     148
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     197
Number of ARIN addresses announced to Internet:                86129632
    Equivalent to 5 /8s, 34 /16s and 59 /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:                      3153
    Total RIPE prefixes after maximum aggregation:                 2643
    RIPE Deaggregation factor:                                     1.19
Prefixes being announced from the RIPE address blocks:             3141
    Unique aggregates announced from the RIPE address blocks:      2680
RIPE Region origin ASes present in the Internet Routing Table:      596
    RIPE Prefixes per ASN:                                         5.27
RIPE Region origin ASes announcing only one prefix:                 274
RIPE Region transit ASes present in the Internet Routing Table:      91
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     134
Number of RIPE addresses announced to Internet:                57040016
    Equivalent to 3 /8s, 102 /16s and 92 /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:                    1375
    Total LACNIC prefixes after maximum aggregation:                546
    LACNIC Deaggregation factor:                                   2.52
Prefixes being announced from the LACNIC address blocks:           1372
    Unique aggregates announced from the LACNIC address blocks:     728
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       8.57
LACNIC Region origin ASes announcing only one prefix:                57
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4096032
    Equivalent to 0 /8s, 62 /16s and 128 /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:                   1093
    Total AfriNIC prefixes after maximum aggregation:                45
    AfriNIC Deaggregation factor:                                 24.29
Prefixes being announced from the AfriNIC address blocks:          1091
    Unique aggregates announced from the AfriNIC address blocks:     61
AfriNIC Region origin ASes present in the Internet Routing Table:    26
    AfriNIC Prefixes per ASN:                                     41.96
AfriNIC Region origin ASes announcing only one prefix:               15
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      2.1
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   12
Number of AfriNIC addresses announced to Internet:               618240
    Equivalent to 0 /8s, 9 /16s and 111 /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
  4538         191       4193      75  ERX-CERNET-BKB China Education and Rese
 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
  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
  2697          58          4      34  ERX-ERNET-AS Education and Research Net

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         203        162     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
  2152         149        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 32440         119         35      18  LONI, US
 23024         106          7      22  OCDE, US
   237          85        543      51  MERIT-AS-14, US
  1736          79         16       1  MU-AS, US

Complete listing at https://bgp.nsrc.org/REN/MARWAN/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
   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
  2200          63        598      58  FR-RENATER Reseau National de telecommu
200521          56          4      20  SEAP-AGE, ES

Complete listing at https://bgp.nsrc.org/REN/MARWAN/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
  4270          50         17       3  Red de Interconexion Universitaria, AR
 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

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 30983         691          4       5  MARWAN-AS, MA
 36914         251         82       3  KENET-AS, KE
327700          44         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          12          8       1  TERNET, TZ
 37654           6          1       6  RwEdNet-AS, RW
 31960           5          1       1  EMUNET, MZ
328903           4          0       1  RITER, CI
328225           3          0       1  Strathmore-University, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 30983         691          4       5  MARWAN-AS, MA
  2907         601       2162     465  SINET-AS Research Organization of Infor
  7497         440        180      24  CSTNET-AS-AP Computer Network Informati
   680         282       1899     249  DFN Verein zur Foerderung eines Deutsch
 36914         251         82       3  KENET-AS, KE
   376         203        162     152  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  4538         191       4193      75  ERX-CERNET-BKB China Education and Rese
   786         186       1767     183  JANET Jisc Services Limited, GB
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP

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

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

   ASN  No of nets  Net Savings  Description
  7497         440          416  CSTNET-AS-AP Computer Network Information Cente
 36914         251          248  KENET-AS, KE
  5786         199          198  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
  2907         601          136  SINET-AS Research Organization of Information a
 18558         140          136  NETBLK-RCOEK, US
  4538         191          116  ERX-CERNET-BKB China Education and Research Net
  1916         156          113  Rede Nacional de Ensino e Pesquisa, BR
 55824         131          112  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65000  PRIVATE      102.216.118.0/24         30983  MARWAN-AS, MA
     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/MARWAN/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.168.167.1/32          30983  MARWAN-AS, MA

Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-spar

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  RESERVED, ZZ
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.168.167.1/32     Origin:     30983  MARWAN-AS, MA
192.168.167.1/32    Transit:         0  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:1       /11:0       /12:9       
/13:17      /14:32      /15:115     /16:1883    /17:376     /18:421     
/19:516     /20:794     /21:743     /22:1300    /23:1327    /24:8991    
/25:45      /26:49      /27:83      /28:14      /29:67      /30:7       
/31:1       /32:572     

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

   ASN  No of nets  Total ann.  Description
 30983         664         691  MARWAN-AS, MA
 36914         238         251  KENET-AS, KE
 32440          85         119  LONI, US
 23024          49         106  OCDE, US
327700          39          44  MoRENet, MZ
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 37215          30          36  MAREN, MW

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

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

   1:1         5:15        8:2        12:1        14:91       23:4      
  24:3        31:1        35:3        38:10       40:1        41:198    
  42:17       44:5        45:36       46:5        47:1        49:9      
  50:3        52:1        58:16       59:18       60:6        61:3      
  62:5        63:32       64:44       65:1        66:46       67:40     
  68:10       69:19       70:2        71:1        72:7        74:51     
  76:41       77:8        78:3        79:10       80:8        81:25     
  82:2        83:6        84:7        85:24       86:3        87:1      
  89:11       91:41       93:5        94:2        95:2        97:1      
  98:2       101:4       102:6       103:264     104:76      108:8      
 109:6       114:3       116:8       118:34      119:21      121:12     
 122:8       123:8       124:41      125:5       128:88      129:36     
 130:83      131:61      132:66      133:157     134:79      136:198    
 137:51      138:57      139:5       140:36      141:3       142:26     
 143:18      144:23      145:2       146:124     147:56      148:193    
 149:11      150:33      151:9       152:127     153:15      154:5      
 155:48      156:134     157:20      158:34      159:119     160:30     
 161:15      162:21      163:55      164:14      165:10      166:1      
 167:13      168:76      169:6       170:90      172:3       173:6      
 175:18      176:8       177:5       179:12      180:15      181:1      
 182:1       184:2       185:42      186:3       187:18      188:11     
 189:3       190:17      191:13      192:1327    193:251     194:117    
 195:69      196:33      197:117     198:417     199:247     200:251    
 201:37      202:607     203:321     204:358     205:130     206:191    
 207:200     208:68      209:109     210:96      211:14      212:43     
 213:3       216:91      217:9       218:20      219:5       220:4      
 222:2       223:14     

End of report


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