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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Jun 22 18:00:38 UTC 2024


IPv4 R&E Routing Table Report   18:00 GMT Sat 22 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:                               17698
    Prefixes after maximum aggregation (per Origin AS):            9639
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       10514
    Number of IPv4 prefixes with a valid ROA:                      5287
    Number of IPv4 prefixes with an invalid ROA:                     90
    Number of IPv4 prefixes with no ROA:                          12321
Total ASes present in the Internet Routing Table:                  2566
    Prefixes per ASN:                                              6.90
Origin-only ASes present in the Internet Routing Table:            2226
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:             57
Paths with bogon ASNs present in the IPv4 Routing Table:              1
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:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      44835
Number of 32-bit ASNs visible in the Routing Table:                 612
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:              3
Number of addresses announced to Internet:                    188901842
    Equivalent to 11 /8s, 66 /16s and 105 /24s
    Percentage of available address space announced:                5.1
    Percentage of allocated address space announced:                5.1
    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:        2662

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

Prefixes being announced by APNIC Region ASes:                     3938
    Total APNIC prefixes after maximum aggregation:                1910
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            3939
    Unique aggregates announced from the APNIC address blocks:     2086
APNIC Region origin ASes present in the Internet Routing Table:     501
    APNIC Prefixes per ASN:                                        7.86
APNIC Region origin ASes announcing only one prefix:                222
APNIC Region transit ASes present in the Internet Routing Table:     53
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:    204
Number of APNIC addresses announced to Internet:               38364993
    Equivalent to 2 /8s, 73 /16s and 103 /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:                      7961
    Total ARIN prefixes after maximum aggregation:                 4518
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:             7975
    Unique aggregates announced from the ARIN address blocks:      4981
ARIN Region origin ASes present in the Internet Routing Table:     1229
    ARIN Prefixes per ASN:                                         6.49
ARIN Region origin ASes announcing only one prefix:                 432
ARIN Region transit ASes present in the Internet Routing Table:     154
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:     200
Number of ARIN addresses announced to Internet:                88850144
    Equivalent to 5 /8s, 75 /16s and 190 /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:                      3125
    Total RIPE prefixes after maximum aggregation:                 2622
    RIPE Deaggregation factor:                                     1.19
Prefixes being announced from the RIPE address blocks:             3114
    Unique aggregates announced from the RIPE address blocks:      2659
RIPE Region origin ASes present in the Internet Routing Table:      594
    RIPE Prefixes per ASN:                                         5.24
RIPE Region origin ASes announcing only one prefix:                 273
RIPE Region transit ASes present in the Internet Routing Table:      92
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:     135
Number of RIPE addresses announced to Internet:                56934288
    Equivalent to 3 /8s, 100 /16s and 191 /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:                    1372
    Total LACNIC prefixes after maximum aggregation:                539
    LACNIC Deaggregation factor:                                   2.55
Prefixes being announced from the LACNIC address blocks:           1369
    Unique aggregates announced from the LACNIC address blocks:     722
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                       8.66
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    22
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:    63
Number of LACNIC addresses announced to Internet:               4125728
    Equivalent to 0 /8s, 62 /16s and 244 /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:                   1300
    Total AfriNIC prefixes after maximum aggregation:                48
    AfriNIC Deaggregation factor:                                 27.08
Prefixes being announced from the AfriNIC address blocks:          1297
    Unique aggregates announced from the AfriNIC address blocks:     63
AfriNIC Region origin ASes present in the Internet Routing Table:    25
    AfriNIC Prefixes per ASN:                                     51.88
AfriNIC Region origin ASes announcing only one prefix:               13
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      2.4
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   10
Number of AfriNIC addresses announced to Internet:               624384
    Equivalent to 0 /8s, 9 /16s and 135 /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       2160     464  SINET-AS Research Organization of Infor
  7497         444        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
  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
 38280          50          3       2  MONASHUNI-MY-AS-AP Monash University Su

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         202        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
   270         162        345      88  AS270, US
  2152         149        507      94  CSUNET-NW, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 32440         116         35      18  LONI, US
 23024         106          7      22  OCDE, US
 21976          88         51      18  NJEDGE-NET, 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         283       1899     250  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  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          55          4      21  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          64          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          49         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          44          5      15  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         690          4       5  MARWAN-AS, MA
 36914         449         82       3  KENET-AS, KE
327700          43         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          13          8       5  NRaE1-AS, NG
 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

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         690          4       5  MARWAN-AS, MA
  2907         600       2160     464  SINET-AS Research Organization of Infor
 36914         449         82       3  KENET-AS, KE
  7497         444        180      24  CSTNET-AS-AP Computer Network Informati
   680         283       1899     250  DFN Verein zur Foerderung eines Deutsch
   376         202        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  4538         191       4193      75  ERX-CERNET-BKB China Education and Rese
   786         184       1767     181  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
 36914         449          446  KENET-AS, KE
  7497         444          420  CSTNET-AS-AP Computer Network Information Cente
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         175          168  LACOE, US
  2907         600          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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, 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
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
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      /14:34      /15:115     /16:1916    /17:379     /18:418     
/19:514     /20:799     /21:764     /22:1245    /23:1337    /24:9310    
/25:45      /26:50      /27:84      /28:14      /29:66      /30:7       
/31:1       /32:571     

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

   ASN  No of nets  Total ann.  Description
 30983         663         690  MARWAN-AS, MA
 36914         439         449  KENET-AS, KE
 32440          82         116  LONI, US
 23024          49         106  OCDE, US
327700          38          43  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          55  SEAP-AGE, ES
 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        41:196    
  42:17       44:5        45:37       46:5        47:1        49:10     
  50:3        52:1        58:16       59:18       60:6        61:3      
  62:5        63:32       64:44       65:1        66:36       67:41     
  68:10       69:19       70:2        71:1        72:7        74:51     
  76:39       77:7        78:3        79:10       80:9        81:23     
  82:2        83:6        84:6        85:13       86:3        87:1      
  89:11       91:41       93:5        94:2        95:2        96:5      
  97:1        98:2       101:4       102:6       103:261     104:76     
 108:8       109:6       114:3       116:8       118:34      119:23     
 121:12      122:8       123:8       124:41      125:5       128:84     
 129:36      130:94      131:61      132:66      133:157     134:79     
 136:197     137:51      138:57      139:5       140:36      141:3      
 142:25      143:18      144:23      145:2       146:125     147:56     
 148:193     149:11      150:33      151:9       152:127     153:15     
 154:13      155:48      156:139     157:21      158:34      159:121    
 160:30      161:16      162:22      163:55      164:14      165:10     
 166:1       167:10      168:76      169:6       170:89      172:3      
 173:6       175:18      176:8       177:6       179:13      180:15     
 181:1       182:1       184:6       185:42      186:3       187:17     
 188:11      189:3       190:18      191:13      192:1420    193:250    
 194:116     195:69      196:32      197:319     198:435     199:246    
 200:251     201:37      202:610     203:323     204:358     205:130    
 206:192     207:201     208:68      209:109     210:96      211:14     
 212:40      213:4       216:91      217:9       218:20      219:5      
 220:4       222:2       223:14     

End of report


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