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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 4 22:10:42 UTC 2024


IPv4 R&E Routing Table Report   22:10 GMT Sat 04 May, 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:                               25386
    Prefixes after maximum aggregation (per Origin AS):           12721
    Deaggregation factor:                                          2.00
    Unique aggregates announced (without unneeded subnets):       14388
    Number of IPv4 prefixes with a valid ROA:                     12446
    Number of IPv4 prefixes with an invalid ROA:                    163
    Number of IPv4 prefixes with no ROA:                          12777
Total ASes present in the Internet Routing Table:                  2777
    Prefixes per ASN:                                              9.14
Origin-only ASes present in the Internet Routing Table:            2399
Origin ASes announcing only one prefix:                            1058
Transit ASes present in the Internet Routing Table:                 378
Transit-only ASes present in the Internet Routing Table:             71
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      15
    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:                      44381
Number of 32-bit ASNs visible in the Routing Table:                 665
Prefixes from 32-bit ASNs in the Routing Table:                    4652
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:              7
Number of addresses announced to Internet:                    239749408
    Equivalent to 14 /8s, 74 /16s and 73 /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:        3308

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

Prefixes being announced by APNIC Region ASes:                     4714
    Total APNIC prefixes after maximum aggregation:                2323
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4764
    Unique aggregates announced from the APNIC address blocks:     2677
APNIC Region origin ASes present in the Internet Routing Table:     586
    APNIC Prefixes per ASN:                                        8.13
APNIC Region origin ASes announcing only one prefix:                250
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    232
Number of APNIC addresses announced to Internet:               45706816
    Equivalent to 2 /8s, 185 /16s and 110 /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:                     14876
    Total ARIN prefixes after maximum aggregation:                 6723
    ARIN Deaggregation factor:                                     2.21
Prefixes being announced from the ARIN address blocks:            14649
    Unique aggregates announced from the ARIN address blocks:      7524
ARIN Region origin ASes present in the Internet Routing Table:     1251
    ARIN Prefixes per ASN:                                        11.71
ARIN Region origin ASes announcing only one prefix:                 439
ARIN Region transit ASes present in the Internet Routing Table:     158
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     208
Number of ARIN addresses announced to Internet:               129815025
    Equivalent to 7 /8s, 188 /16s and 209 /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:                      3618
    Total RIPE prefixes after maximum aggregation:                 2886
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3794
    Unique aggregates announced from the RIPE address blocks:      3178
RIPE Region origin ASes present in the Internet Routing Table:      679
    RIPE Prefixes per ASN:                                         5.59
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:     103
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:     151
Number of RIPE addresses announced to Internet:                57708944
    Equivalent to 3 /8s, 112 /16s and 145 /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:                    1351
    Total LACNIC prefixes after maximum aggregation:                627
    LACNIC Deaggregation factor:                                   2.15
Prefixes being announced from the LACNIC address blocks:           1356
    Unique aggregates announced from the LACNIC address blocks:     802
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       8.75
LACNIC Region origin ASes announcing only one prefix:                50
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       4.8
    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:               4082527
    Equivalent to 0 /8s, 62 /16s and 75 /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:                    814
    Total AfriNIC prefixes after maximum aggregation:               151
    AfriNIC Deaggregation factor:                                  5.39
Prefixes being announced from the AfriNIC address blocks:           816
    Unique aggregates announced from the AfriNIC address blocks:    201
AfriNIC Region origin ASes present in the Internet Routing Table:    32
    AfriNIC Prefixes per ASN:                                     25.50
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
 55824         130         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         129       4192      72  ERX-CERNET-BKB China Education and Rese
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, T
  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/CEDIA/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2759       3639     407  GOOGLE-CLOUD-PLATFORM, US
 16509        2174       1677     936  AMAZON-02, US
 14618         903       4165     683  AMAZON-AES, US
 15169         839       1997      61  GOOGLE, US
   376         201        162     151  RISQ-AS, CA
  5786         196         16       1  UPRENET, PR
  2920         174         34       7  LACOE, US
 36492         165         12      38  GOOGLEWIFI, US
   270         162        345      88  AS270, US
  2152         149        507      94  CSUNET-NW, 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         160         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          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
  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
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         118         25      55  Red Universitaria Nacional, CL
 27947         116          0      88  Telconet S.A, EC
  1916          82        176      43  Rede Nacional de Ensino e Pesquisa, BR
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          48         16       1  Red de Interconexion Universitaria, AR
  2715          45         99      34  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
  3596          36          4       3  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         202         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
327700          46         16       1  MoRENet, MZ
 37215          36          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37654          13          1       7  RwEdNet-AS, RW
 37182          12          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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        2759       3639     407  GOOGLE-CLOUD-PLATFORM, US
 16509        2174       1677     936  AMAZON-02, US
 14618         903       4165     683  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
  2018         380        319      71  TENET-1, ZA
   680         284       1899     250  DFN Verein zur Foerderung eines Deutsch
 36914         202         82       3  KENET-AS, KE
   376         201        162     151  RISQ-AS, CA

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        2174         1238  AMAZON-02, US
 15169         839          778  GOOGLE, US
  7497         443          419  CSTNET-AS-AP Computer Network Information Cente
  2018         380          309  TENET-1, ZA
 14618         903          220  AMAZON-AES, US
 36914         202          199  KENET-AS, KE
  5786         196          195  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  2920         174          167  LACOE, US
  8895         160          155  ISU Internet Services Unit ISU, SA

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
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

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     /16:2103    /17:508     /18:504     
/19:736     /20:2790    /21:1058    /22:1658    /23:1739    /24:13632   
/25:71      /26:43      /27:71      /28:21      /29:77      /30:31      
/31:38      /32:5       

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

   ASN  No of nets  Total ann.  Description
 16509         318        2174  AMAZON-02, US
 14618         299         903  AMAZON-AES, US
 15169         278         839  GOOGLE, US
396982         218        2759  GOOGLE-CLOUD-PLATFORM, US
 36914         189         202  KENET-AS, KE
  8895         155         160  ISU Internet Services Unit ISU, SA
 27947          91         116  Telconet S.A, EC
 32440          86         119  LONI, US
 23024          51         108  OCDE, US
327700          40          46  MoRENet, MZ

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

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

   1:2         3:89        5:21        8:28       12:1        13:45     
  14:90       15:71       16:112      18:66       23:107      24:3      
  31:3        34:25       35:48       36:1        38:10       40:5      
  41:154      42:10       43:2        44:7        45:53       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     
  66:83       67:64       68:14       69:41       70:43       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       91:60     
  92:5        93:4        94:2        95:2        96:7        97:1      
  98:10       99:47      101:3       102:6       103:346     104:226    
 107:34      108:107     109:11      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     
 132:51      133:157     134:110     135:3       136:296     137:65     
 138:58      139:17      140:42      141:6       142:275     143:24     
 144:40      145:3       146:146     147:74      148:202     149:17     
 150:43      151:18      152:137     153:14      154:32      155:75     
 156:141     157:26      158:42      159:148     160:30      161:29     
 162:99      163:68      164:24      165:63      166:1       167:23     
 168:156     169:10      170:154     171:1       172:114     173:116    
 174:2       175:25      176:10      177:5       178:2       179:8      
 180:15      182:9       184:6       185:109     186:3       187:18     
 188:18      189:3       190:2       191:13      192:1515    193:281    
 194:130     195:72      196:154     197:114     198:483     199:309    
 200:194     201:34      202:625     203:431     204:379     205:154    
 206:199     207:187     208:147     209:170     210:206     211:14     
 212:165     213:17      216:190     217:12      218:22      219:5      
 220:17      222:2       223:14     

End of report


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