[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET (Brisbane) Global view

REN Routing Table Report cscora at frr.nsrc.org
Wed Nov 17 21:13:22 UTC 2021


Global R&E Routing Table Report   21:10 GMT Wed 17 Nov, 2021

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

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

BGP routing table entries examined:                              877878
    Prefixes after maximum aggregation (per Origin AS):          332788
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      420995
Total ASes present in the Internet Routing Table:                 72397
    Prefixes per ASN:                                             12.13
Origin-only ASes present in the Internet Routing Table:           62184
Origin ASes announcing only one prefix:                           25636
Transit ASes present in the Internet Routing Table:               10213
Transit-only ASes present in the Internet Routing Table:            366
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      54
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1172
    Number of instances of unregistered ASNs:                      1176
Number of 32-bit ASNs allocated by the RIRs:                      37843
Number of 32-bit ASNs visible in the Routing Table:               31446
Prefixes from 32-bit ASNs in the Routing Table:                  144784
Number of bogon 32-bit ASNs visible in the Routing Table:            46
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            461
Number of addresses announced to Internet:                   3072653312
    Equivalent to 183 /8s, 36 /16s and 248 /24s
    Percentage of available address space announced:               83.0
    Percentage of allocated address space announced:               83.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      296903

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

Prefixes being announced by APNIC Region ASes:                   229476
    Total APNIC prefixes after maximum aggregation:               64383
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          224858
    Unique aggregates announced from the APNIC address blocks:    92786
APNIC Region origin ASes present in the Internet Routing Table:   12112
    APNIC Prefixes per ASN:                                       18.56
APNIC Region origin ASes announcing only one prefix:               3454
APNIC Region transit ASes present in the Internet Routing Table:   1695
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:   7308
Number of APNIC addresses announced to Internet:              773996544
    Equivalent to 46 /8s, 34 /16s and 64 /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:                    255792
    Total ARIN prefixes after maximum aggregation:               118134
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           255845
    Unique aggregates announced from the ARIN address blocks:    122409
ARIN Region origin ASes present in the Internet Routing Table:    18941
    ARIN Prefixes per ASN:                                        13.51
ARIN Region origin ASes announcing only one prefix:                6864
ARIN Region transit ASes present in the Internet Routing Table:    1937
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4216
Number of ARIN addresses announced to Internet:              1301600512
    Equivalent to 77 /8s, 148 /16s and 217 /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:                    250926
    Total RIPE prefixes after maximum aggregation:               117303
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           247140
    Unique aggregates announced from the RIPE address blocks:    146639
RIPE Region origin ASes present in the Internet Routing Table:    28166
    RIPE Prefixes per ASN:                                         8.77
RIPE Region origin ASes announcing only one prefix:               12153
RIPE Region transit ASes present in the Internet Routing Table:    3927
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10553
Number of RIPE addresses announced to Internet:               712291072
    Equivalent to 42 /8s, 116 /16s and 179 /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:                  113496
    Total LACNIC prefixes after maximum aggregation:              26934
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         114358
    Unique aggregates announced from the LACNIC address blocks:   47462
LACNIC Region origin ASes present in the Internet Routing Table:  10800
    LACNIC Prefixes per ASN:                                      10.59
LACNIC Region origin ASes announcing only one prefix:              2618
LACNIC Region transit ASes present in the Internet Routing Table:  2141
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        54
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8470
Number of LACNIC addresses announced to Internet:             176387328
    Equivalent to 10 /8s, 131 /16s and 117 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                  27016
    Total AfriNIC prefixes after maximum aggregation:              5266
    AfriNIC Deaggregation factor:                                  5.13
Prefixes being announced from the AfriNIC address blocks:         35215
    Unique aggregates announced from the AfriNIC address blocks:  11293
AfriNIC Region origin ASes present in the Internet Routing Table:  1570
    AfriNIC Prefixes per ASN:                                     22.43
AfriNIC Region origin ASes announcing only one prefix:              547
AfriNIC Region transit ASes present in the Internet Routing Table:  314
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  899
Number of AfriNIC addresses announced to Internet:            108104448
    Equivalent to 6 /8s, 113 /16s and 139 /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
  9808        8712       8995      48  CHINAMOBILE-CN China Mobile Communicati
  7545        5853        787     680  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        3836       4192      73  ERX-CERNET-BKB China Education and Rese
  7713        3484       1019      50  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3203       1896      54  VNPT-AS-VN VNPT Corp, VN
  7552        2737       1330      19  VIETEL-AS-AP Viettel Group, VN
  4766        2254      11374     574  KIXS-AS-KR Korea Telecom, KR
  9498        2174        475     236  BBIL-AP BHARTI Airtel Ltd., IN
 45090        2135       1198      75  TENCENT-NET-AP Shenzhen Tencent Compute
  4755        2124        429     202  TATACOMM-AS TATA Communications formerl

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        5934      10001    2560  AMAZON-02, US
 11492        4606        305     828  CABLEONE, US
 22773        4052       3071     383  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3950        264      30  VIASAT-SP-BACKBONE, US
 16625        3669       1891    2548  AKAMAI-AS, US
  6327        3388       1318      64  SHAW, CA
   749        2890      50784    2146  DNIC-AS-00749, US
 30036        2595        373     170  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2523       5027     439  CENTURYLINK-US-LEGACY-QWEST, US
  7018        2246      24164    1436  ATT-INTERNET4, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        7890       1057    3432  TTNET, TR
 12479        6892       1711     149  UNI2-AS, ES
 20940        3923       3198     563  AKAMAI-ASN1, NL
 39891        3271        187      23  ALJAWWALSTC-AS, SA
  8551        3177        378      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2904       2279     897  ROSTELECOM-AS, RU
  9009        2516        258    1326  M247, GB
 34984        2200        354     600  TELLCOM-AS, TR
 58224        1747        914     590  TCI, IR
 61317        1622        213     915  ASDETUK www.heficed.com, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       10611       3449     575  Uninet S.A. de C.V., MX
 10620        3250        490     827  Telmex Colombia S.A., CO
 11830        2470        369      62  Instituto Costarricense de Electricidad
 13999        1641        286     455  Mega Cable, S.A. de C.V., MX
  6503        1530        359     472  Axtel, S.A.B. de C.V., MX
 28573        1437       2314     251  CLARO S.A., BR
  3816        1240        651     153  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 26615        1133       2351     138  TIM SA, BR
  6147        1093        370      21  Telefonica del Peru S.A.A., PE
 11664         971        188     444  Techtel LMDS Comunicaciones Interactiva

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1637        393      21  LINKdotNET-AS, EG
 24835        1553        507      33  RAYA-AS, EG
 36992        1285       1430     270  ETISALAT-MISR, EG
 36903        1183        537     110  MT-MPLS, MA
 29571         823         68      11  ORANGE-COTE-IVOIRE, CI
 36935         703        523      44  Vodafone-, EG
  6713         612       1863      34  IAM-AS, MA
 15399         517         50      31  WANANCHI-, KE
 37342         470         32       1  MOVITEL, MZ
 23889         429        232      16  MauritiusTelecom, MU

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       10611       3449     575  Uninet S.A. de C.V., MX
  9808        8712       8995      48  CHINAMOBILE-CN China Mobile Communicati
 47331        7890       1057    3432  TTNET, TR
 12479        6892       1711     149  UNI2-AS, ES
 16509        5934      10001    2560  AMAZON-02, US
  7545        5853        787     680  TPG-INTERNET-AP TPG Telecom Limited, AU
 11492        4606        305     828  CABLEONE, US
 22773        4052       3071     383  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3950        264      30  VIASAT-SP-BACKBONE, US
 20940        3923       3198     563  AKAMAI-ASN1, NL

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

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

   ASN  No of nets  Net Savings  Description
  9808        8712         8664  CHINAMOBILE-CN China Mobile Communications Grou
 12479        6892         6743  UNI2-AS, ES
  7545        5853         5173  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        7890         4458  TTNET, TR
  7155        3950         3920  VIASAT-SP-BACKBONE, US
 11492        4606         3778  CABLEONE, US
  4538        3836         3763  ERX-CERNET-BKB China Education and Research Net
 22773        4052         3669  ASN-CXA-ALL-CCI-22773-RDC, US
  7713        3484         3434  TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
 16509        5934         3374  AMAZON-02, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46990  UNALLOCATED  8.5.242.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
     18604  UNALLOCATED  8.25.204.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     54338  UNALLOCATED  8.33.241.0/24             6461  ZAYO-6461, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    395056  UNALLOCATED  8.45.133.0/24             3356  LEVEL3, US

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
0.0.0.0/0                  7575  AARNET-AS-AP Australian Academic and Research N
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-dsua

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

Unassigned Network     ASN Information  AS Name
23.141.0.0/24        Origin:    395350  UNASSIGNED
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.252.160.0/24      Origin:    398968  GROUP-IID-01, US
23.252.160.0/24     Transit:       174  COGENT-174, US
23.252.161.0/24      Origin:    398968  GROUP-IID-01, US
23.252.161.0/24     Transit:       174  COGENT-174, US
23.252.162.0/24      Origin:    398968  GROUP-IID-01, US
23.252.162.0/24     Transit:       174  COGENT-174, US
23.252.163.0/24      Origin:    398968  GROUP-IID-01, US
23.252.163.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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        /8:16       /9:13      /10:41      /11:99      /12:305     
/13:597     /14:1210    /15:2077    /16:13576   /17:8236    /18:13891   
/19:25260   /20:42974   /21:50911   /22:107837  /23:95052   /24:515782  
/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
 47331        7091        7890  TTNET, TR
 12479        5850        6892  UNI2-AS, ES
  8151        4414       10611  Uninet S.A. de C.V., MX
 11492        3559        4606  CABLEONE, US
  6327        3197        3388  SHAW, CA
  7155        3040        3950  VIASAT-SP-BACKBONE, US
 22773        3007        4052  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2807        3271  ALJAWWALSTC-AS, SA
  8551        2640        3177  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2250        2595  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1899      2:1048      3:145       4:18        5:3704      6:100    
   7:5         8:1518      9:1        11:172      12:1712     13:412    
  14:2262     15:123      16:30       17:374      18:125      20:143    
  21:4        22:188      23:5284     24:2376     25:4        27:2619   
  29:19       31:2381     32:104      34:1        35:47       36:1683   
  37:3914     38:2361     39:655      40:150      41:3828     42:1049   
  43:2107     44:294      45:15726    46:3770     47:324      49:1658   
  50:1875     51:103      52:1344     54:288      55:653      56:4      
  57:59       58:1776     59:1089     60:939      61:2229     62:2403   
  63:1951     64:5417     65:2346     66:4949     67:2901     68:1175   
  69:4112     70:1347     71:686      72:3089     74:2617     75:1503   
  76:710      77:2131     78:3809     79:2693     80:1871     81:1651   
  82:1405     83:1172     84:1301     85:3565     86:702      87:1894   
  88:2604     89:3139     90:497      91:7484     92:1909     93:2581   
  94:3218     95:4499     96:1293     97:347      98:979      99:911    
 100:76      101:1062    102:1764    103:27579   104:4093    105:436    
 106:844     107:2387    108:744     109:3729    110:1962    111:3105   
 112:1957    113:1463    114:1545    115:2056    116:1860    117:2436   
 118:2248    119:1888    120:1586    121:1066    122:2523    123:2180   
 124:1545    125:1949    128:1390    129:1114    130:914     131:2070   
 132:782     133:366     134:1909    135:337     136:774     137:1005   
 138:2456    139:1234    140:836     141:1318    142:1224    143:1355   
 144:1266    145:328     146:1624    147:1463    148:2259    149:1588   
 150:862     151:1081    152:1666    153:517     154:3321    155:1361   
 156:1817    157:1193    158:987     159:2023    160:2342    161:1278   
 162:3401    163:1175    164:1666    165:1516    166:590     167:1705   
 168:3628    169:684     170:4273    171:781     172:2836    173:3039   
 174:1003    175:1157    176:3435    177:4512    178:3016    179:1958   
 180:2337    181:2618    182:3124    183:1920    184:2414    185:19047  
 186:4254    187:3529    188:3619    189:3088    190:8806    191:1323   
 192:10999   193:8414    194:6887    195:4914    196:2877    197:2231   
 198:6009    199:5998    200:7410    201:5673    202:10504   203:10239  
 204:4484    205:3384    206:3806    207:3388    208:4008    209:4652   
 210:4216    211:2438    212:3841    213:3386    214:1165    215:64     
 216:6391    217:2622    218:1197    219:575     220:2010    221:987    
 222:846     223:2013   

End of report


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