[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Sun Dec 11 20:15:38 UTC 2022


IPv4 R&E Routing Table Report   20:15 GMT Sun 11 Dec, 2022

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                               20590
    Prefixes after maximum aggregation (per Origin AS):           11163
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12468
    Number of IPv4 prefixes with a valid ROA:                      5991
    Number of IPv4 prefixes with an invalid ROA:                     74
    Number of IPv4 prefixes with no ROA:                          14525
Total ASes present in the Internet Routing Table:                  2821
    Prefixes per ASN:                                              7.30
Origin-only ASes present in the Internet Routing Table:            2424
Origin ASes announcing only one prefix:                            1075
Transit ASes present in the Internet Routing Table:                 397
Transit-only ASes present in the Internet Routing Table:             85
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      19
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      40870
Number of 32-bit ASNs visible in the Routing Table:                 641
Prefixes from 32-bit ASNs in the Routing Table:                    1830
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:                    264241075
    Equivalent to 15 /8s, 191 /16s and 255 /24s
    Percentage of available address space announced:                7.1
    Percentage of allocated address space announced:                7.1
    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:        2734

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

Prefixes being announced by APNIC Region ASes:                     5158
    Total APNIC prefixes after maximum aggregation:                2418
    APNIC Deaggregation factor:                                    2.13
Prefixes being announced from the APNIC address blocks:            5020
    Unique aggregates announced from the APNIC address blocks:     2746
APNIC Region origin ASes present in the Internet Routing Table:     586
    APNIC Prefixes per ASN:                                        8.57
APNIC Region origin ASes announcing only one prefix:                252
APNIC Region transit ASes present in the Internet Routing Table:     71
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
Number of APNIC addresses announced to Internet:               47750764
    Equivalent to 2 /8s, 216 /16s and 158 /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, 131072-151865
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:                      9332
    Total ARIN prefixes after maximum aggregation:                 5064
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:             9389
    Unique aggregates announced from the ARIN address blocks:      5619
ARIN Region origin ASes present in the Internet Routing Table:     1243
    ARIN Prefixes per ASN:                                         7.55
ARIN Region origin ASes announcing only one prefix:                 435
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     182
Number of ARIN addresses announced to Internet:               145904417
    Equivalent to 8 /8s, 178 /16s and 83 /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, 393216-401308
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:                      3704
    Total RIPE prefixes after maximum aggregation:                 2900
    RIPE Deaggregation factor:                                     1.28
Prefixes being announced from the RIPE address blocks:             3787
    Unique aggregates announced from the RIPE address blocks:      3021
RIPE Region origin ASes present in the Internet Routing Table:      696
    RIPE Prefixes per ASN:                                         5.44
RIPE Region origin ASes announcing only one prefix:                 306
RIPE Region transit ASes present in the Internet Routing Table:     103
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:     144
Number of RIPE addresses announced to Internet:                63135814
    Equivalent to 3 /8s, 195 /16s and 96 /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
                       196608-213403
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:                    1420
    Total LACNIC prefixes after maximum aggregation:                573
    LACNIC Deaggregation factor:                                   2.48
Prefixes being announced from the LACNIC address blocks:           1418
    Unique aggregates announced from the LACNIC address blocks:     787
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       9.09
LACNIC Region origin ASes announcing only one prefix:                60
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4632032
    Equivalent to 0 /8s, 70 /16s and 173 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                    971
    Total AfriNIC prefixes after maximum aggregation:               203
    AfriNIC Deaggregation factor:                                  4.78
Prefixes being announced from the AfriNIC address blocks:           974
    Unique aggregates announced from the AfriNIC address blocks:    293
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     19.48
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2817536
    Equivalent to 0 /8s, 42 /16s and 254 /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         587       2157     463  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
 45102         315        506      96  ALIBABA-CN-NET Alibaba US Technology Co
  1237         193         74     134  KREONET-AS-KR KISTI, KR
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
 55824         116         18      12  NKN-CORE-NW NKN Core Network, IN
  4621          70         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/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         799       2322      65  GOOGLE, US
  8075         302      11731     254  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2152         208        507      91  CSUNET-NW, US
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  6939         163        119     118  HURRICANE, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         111         34       7  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1775     182  JANET Jisc Services Limited, GB
  8895         176         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         100       1520      87  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  3267          68         64      28  RUNNET, RU
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         175        207      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          97         24      55  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          53         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      15  CEDIA, EC
  4270          44         16       1  Red de Interconexion Universitaria, AR
 28571          40         40      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         367        319      72  TENET-1, ZA
 36914         242         82       3  KENET-AS, KE
  2561          66          4      33  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          41         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
 37182          33          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         799       2322      65  GOOGLE, US
  2907         587       2157     463  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         367        319      72  TENET-1, ZA
 45102         315        506      96  ALIBABA-CN-NET Alibaba US Technology Co
  8075         302      11731     254  MICROSOFT-CORP-MSN-AS-BLOCK, US
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
 36914         242         82       3  KENET-AS, KE
  2152         208        507      91  CSUNET-NW, US
   376         200        178     149  RISQ-AS, CA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         367          295  TENET-1, ZA
 36914         242          239  KENET-AS, KE
 45102         315          219  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         176          172  ISU Internet Services Unit ISU, SA
  1916         175          133  Rede Nacional de Ensino e Pesquisa, BR
 18558         134          130  NETBLK-RCOEK, US
  2907         587          124  SINET-AS Research Organization of Information a

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

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

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     17579  KREONET2-AS-KR KISTI, KR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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       /10:4       /11:6       /12:22      
/13:38      /14:67      /15:151     /16:2128    /17:476     /18:509     
/19:729     /20:904     /21:922     /22:1530    /23:1668    /24:11117   
/25:88      /26:57      /27:88      /28:19      /29:19      /30:20      
/31:1       /32:26      

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

   ASN  No of nets  Total ann.  Description
 15169         273         799  GOOGLE, US
 36914         229         242  KENET-AS, KE
  8895         171         176  ISU Internet Services Unit ISU, SA
 32440          77          92  LONI, US
  6939          61         163  HURRICANE, US
  8075          53         302  MICROSOFT-CORP-MSN-AS-BLOCK, US
 23024          52         113  OCDE, US
 18632          34          65  VOLCANO-VISION, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 37182          32          33  TERNET, TZ

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:4         2:1         5:18        8:8        12:1        13:1      
  14:86       18:43       23:16       24:3        31:7        34:2      
  35:5        37:1        38:9        40:1        41:143      42:15     
  43:5        44:5        45:43       46:6        47:43       49:9      
  50:4        52:2        58:12       59:21       60:4        61:3      
  62:21       63:38       64:84       65:8        66:59       67:45     
  68:8        69:26       70:11       71:1        72:17       74:117    
  76:38       77:9        78:4        79:10       80:20       81:28     
  82:8        83:6        84:9        85:45       86:10       87:1      
  88:1        89:10       91:49       92:1        93:4        94:8      
  95:4        96:5        97:3        98:2       101:8       102:10     
 103:334     104:73      107:16      108:43      109:10      110:6      
 111:17      113:4       114:23      116:6       117:61      118:33     
 119:23      121:28      122:8       123:8       124:39      125:4      
 128:86      129:42      130:88      131:67      132:61      133:146    
 134:100     136:199     137:75      138:11      139:5       140:47     
 141:1       142:231     143:31      144:25      145:4       146:131    
 147:56      148:192     149:12      150:132     151:7       152:77     
 153:14      154:28      155:54      156:68      157:23      158:40     
 159:116     160:26      161:26      162:22      163:73      164:10     
 165:51      166:1       167:17      168:124     169:10      170:74     
 171:1       172:91      173:84      175:31      176:8       177:9      
 178:1       179:10      180:17      181:1       182:6       184:6      
 185:62      186:2       187:19      188:13      189:3       190:18     
 191:36      192:1439    193:318     194:155     195:96      196:154    
 197:146     198:545     199:267     200:224     201:39      202:623    
 203:440     204:353     205:132     206:192     207:179     208:85     
 209:142     210:185     211:14      212:174     213:5       216:124    
 217:10      218:22      219:12      220:17      222:6       223:13     


End of report


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