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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Sep 10 18:50:43 UTC 2024


IPv4 R&E Routing Table Report   18:50 GMT Tue 10 Sep, 2024

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

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

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

BGP routing table entries examined:                               18850
    Prefixes after maximum aggregation (per Origin AS):           10430
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       11518
    Number of IPv4 prefixes with a valid ROA:                      5998
    Number of IPv4 prefixes with an invalid ROA:                      5
    Number of IPv4 prefixes with no ROA:                          12847
Total ASes present in the Internet Routing Table:                  2708
    Prefixes per ASN:                                              6.96
Origin-only ASes present in the Internet Routing Table:            2353
Origin ASes announcing only one prefix:                            1039
Transit ASes present in the Internet Routing Table:                 355
Transit-only ASes present in the Internet Routing Table:             60
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      17
    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:                      45346
Number of 32-bit ASNs visible in the Routing Table:                 654
Prefixes from 32-bit ASNs in the Routing Table:                    1828
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:                    199969536
    Equivalent to 11 /8s, 235 /16s and 75 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        2196

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

Prefixes being announced by APNIC Region ASes:                     4675
    Total APNIC prefixes after maximum aggregation:                2289
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4670
    Unique aggregates announced from the APNIC address blocks:     2630
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.01
APNIC Region origin ASes announcing only one prefix:                250
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    231
Number of APNIC addresses announced to Internet:               45838848
    Equivalent to 2 /8s, 187 /16s and 114 /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:                      8357
    Total ARIN prefixes after maximum aggregation:                 4620
    ARIN Deaggregation factor:                                     1.81
Prefixes being announced from the ARIN address blocks:             8371
    Unique aggregates announced from the ARIN address blocks:      5063
ARIN Region origin ASes present in the Internet Routing Table:     1234
    ARIN Prefixes per ASN:                                         6.78
ARIN Region origin ASes announcing only one prefix:                 436
ARIN Region transit ASes present in the Internet Routing Table:     149
Average ARIN Region AS path length visible:                         5.7
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     204
Number of ARIN addresses announced to Internet:                88576000
    Equivalent to 5 /8s, 71 /16s and 144 /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:                      3557
    Total RIPE prefixes after maximum aggregation:                 2852
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3546
    Unique aggregates announced from the RIPE address blocks:      2897
RIPE Region origin ASes present in the Internet Routing Table:      666
    RIPE Prefixes per ASN:                                         5.32
RIPE Region origin ASes announcing only one prefix:                 295
RIPE Region transit ASes present in the Internet Routing Table:     103
Average RIPE Region AS path length visible:                         5.0
    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:                59621120
    Equivalent to 3 /8s, 141 /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:                    1308
    Total LACNIC prefixes after maximum aggregation:                535
    LACNIC Deaggregation factor:                                   2.44
Prefixes being announced from the LACNIC address blocks:           1306
    Unique aggregates announced from the LACNIC address blocks:     710
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       8.43
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       6.2
    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:               4208384
    Equivalent to 0 /8s, 64 /16s and 55 /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:                    952
    Total AfriNIC prefixes after maximum aggregation:               133
    AfriNIC Deaggregation factor:                                  7.16
Prefixes being announced from the AfriNIC address blocks:           952
    Unique aggregates announced from the AfriNIC address blocks:    214
AfriNIC Region origin ASes present in the Internet Routing Table:     9
    AfriNIC Prefixes per ASN:                                    105.78
AfriNIC Region origin ASes announcing only one prefix:                4
AfriNIC Region transit ASes present in the Internet Routing Table:    4
Average AfriNIC Region AS path length visible:                      1.9
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    3
Number of AfriNIC addresses announced to Internet:              1716480
    Equivalent to 0 /8s, 26 /16s and 49 /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         588       2169     464  SINET-AS Research Organization of Informa
  7497         450        212      25  CSTNET-AS-AP Computer Network Information
  1237         190         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         133         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/KENET/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         502        507      99  CENIC-2152, US
  2920         229         44      49  LACOE, US
   376         200        162     149  RISQ-AS, CA
  5786         172         16       1  UPRENET, PR
   270         162        345      88  AS270, US
 18558         141         18       5  NETBLK-RCOEK, US
    81         133        517      33  NCREN, US
 23024          96          7      21  OCDE, US
 21976          87         50      17  NJEDGE-NET, US
   237          85        541      50  MERIT-AS-14, US

Complete listing at https://bgp.nsrc.org/REN/KENET/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         185       1767     182  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          82        677      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/KENET/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco, M
 11340         109         25      52  Red Universitaria Nacional, CL
  1916          87        180      41  Rede Nacional de Ensino e Pesquisa, BR
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          50          5      17  CEDIA, EC
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo a 
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  3596          37          8       4  Universidad Autonoma Metropolitana, MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         537         81      46  KENET-AS, KE
  2018         382        319      71  TENET-1, ZA
  6879          24          2       9  ENSTINET-, EG
328225           3          0       1  Strathmore-University, KE
327945           2          0       2  ILRI, KE
  3208           1          2       1  ARN, DZ
  6149           1          0       1  TENET-2, ZA
 37717           1         16       1  EL-Khawarizmi, TN
329418           1          0       1  International-Centre-Research-Agroforestr

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         588       2169     464  SINET-AS Research Organization of Informa
 36914         537         81      46  KENET-AS, KE
  2152         502        507      99  CENIC-2152, US
  7497         450        212      25  CSTNET-AS-AP Computer Network Information
  2018         382        319      71  TENET-1, ZA
   680         282       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         229         44      49  LACOE, US
   376         200        162     149  RISQ-AS, CA
  1237         190         74     145  KREONET-AS-KR KISTI, KR
   786         185       1767     182  JANET Jisc Services Limited, GB

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

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

   ASN  No of nets  Net Savings  Description
 36914         537          491  KENET-AS, KE
  7497         450          425  CSTNET-AS-AP Computer Network Information Cente
  2152         502          403  CENIC-2152, US
  2018         382          311  TENET-1, ZA
  2920         229          180  LACOE, US
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  5786         172          171  UPRENET, PR
 18558         141          136  NETBLK-RCOEK, US
  8895         135          130  ISU Internet Services Unit ISU, SA
 55824         133          113  NKN-CORE-NW NKN Core Network, IN

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

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

Unassigned Network     ASN Information  AS Name
202.14.117.0/24      Origin:     17827  STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24     Transit:      4621  UNINET-AS-AP UNINET-, TH
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
203.9.156.0/24       Origin:      1851  ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24      Transit:      7575  AARNET-AS-AP Australian Academic and Res

Complete listing at https://bgp.nsrc.org/REN/KENET/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       /11:2       /12:10      
/13:18      /14:35      /15:118     /16:1962    /17:412     /18:439     
/19:558     /20:828     /21:854     /22:1417    /23:1568    /24:10627   
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         519         537  KENET-AS, KE
  8895         130         135  ISU Internet Services Unit ISU, SA
  2152          61         502  CENIC-2152, US
 23024          38          96  OCDE, US
 32440          37          64  LONI, US
  3267          35          76  NIKS, RU
 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

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

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

   1:2         5:15        8:2        12:1        14:92       23:5      
  24:3        31:1        35:3        37:8        38:10       40:1      
  41:182      42:10       44:5        45:48       46:4        47:1      
  49:11       50:3        52:1        58:1        59:19       60:6      
  61:3        62:7        63:33       64:44       65:1        66:37     
  67:41       68:12       69:18       70:2        71:1        72:7      
  74:53       76:42       77:11       78:3        79:10       80:13     
  81:25       82:6        83:7        84:5        85:45       86:5      
  87:1        89:11       91:44       92:2        93:13       94:2      
  95:2        96:5        97:1        98:2       101:1       102:1      
 103:322     104:79      108:8       109:4       111:15      113:2      
 114:24      116:9       117:61      118:34      119:24      121:27     
 122:8       123:8       124:42      125:5       128:84      129:34     
 130:95      131:62      132:67      133:154     134:105     136:172    
 137:89      138:57      139:6       140:34      141:3       142:25     
 143:17      144:26      145:2       146:135     147:60      148:193    
 149:13      150:40      151:9       152:135     153:15      154:23     
 155:63      156:138     157:25      158:35      159:121     160:30     
 161:16      162:22      163:57      164:14      165:47      166:1      
 167:26      168:119     169:7       170:89      171:1       172:2      
 173:7       175:17      177:5       179:9       180:16      181:1      
 182:9       184:7       185:51      186:3       187:21      188:13     
 189:3       190:18      191:13      192:1444    193:269     194:139    
 195:75      196:139     197:328     198:539     199:246     200:220    
 201:38      202:642     203:436     204:393     205:169     206:206    
 207:300     208:66      209:149     210:216     211:3       212:162    
 213:6       216:90      217:9       218:21      219:5       220:17     
 222:2       223:15     

End of report


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