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

REN Routing Table Report cscora at frr.nsrc.org
Tue Nov 16 21:13:22 UTC 2021


Global R&E Routing Table Report   21:10 GMT Tue 16 Nov, 2021

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

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

BGP routing table entries examined:                              877707
    Prefixes after maximum aggregation (per Origin AS):          332676
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      420867
Total ASes present in the Internet Routing Table:                 72367
    Prefixes per ASN:                                             12.13
Origin-only ASes present in the Internet Routing Table:           62158
Origin ASes announcing only one prefix:                           25615
Transit ASes present in the Internet Routing Table:               10209
Transit-only ASes present in the Internet Routing Table:            365
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:              1166
    Number of instances of unregistered ASNs:                      1170
Number of 32-bit ASNs allocated by the RIRs:                      37829
Number of 32-bit ASNs visible in the Routing Table:               31423
Prefixes from 32-bit ASNs in the Routing Table:                  144622
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:                   3072667392
    Equivalent to 183 /8s, 37 /16s and 47 /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:      296913

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

Prefixes being announced by APNIC Region ASes:                   229468
    Total APNIC prefixes after maximum aggregation:               64364
    APNIC Deaggregation factor:                                    3.57
Prefixes being announced from the APNIC address blocks:          224846
    Unique aggregates announced from the APNIC address blocks:    92745
APNIC Region origin ASes present in the Internet Routing Table:   12104
    APNIC Prefixes per ASN:                                       18.58
APNIC Region origin ASes announcing only one prefix:               3448
APNIC Region transit ASes present in the Internet Routing Table:   1698
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:   7303
Number of APNIC addresses announced to Internet:              774008832
    Equivalent to 46 /8s, 34 /16s and 112 /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:                    255628
    Total ARIN prefixes after maximum aggregation:               118104
    ARIN Deaggregation factor:                                     2.16
Prefixes being announced from the ARIN address blocks:           255644
    Unique aggregates announced from the ARIN address blocks:    122346
ARIN Region origin ASes present in the Internet Routing Table:    18942
    ARIN Prefixes per ASN:                                        13.50
ARIN Region origin ASes announcing only one prefix:                6865
ARIN Region transit ASes present in the Internet Routing Table:    1941
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:    4217
Number of ARIN addresses announced to Internet:              1301485568
    Equivalent to 77 /8s, 147 /16s and 24 /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:                    250999
    Total RIPE prefixes after maximum aggregation:               117236
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           247202
    Unique aggregates announced from the RIPE address blocks:    146595
RIPE Region origin ASes present in the Internet Routing Table:    28153
    RIPE Prefixes per ASN:                                         8.78
RIPE Region origin ASes announcing only one prefix:               12141
RIPE Region transit ASes present in the Internet Routing Table:    3921
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10543
Number of RIPE addresses announced to Internet:               712311040
    Equivalent to 42 /8s, 117 /16s and 1 /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:                  113376
    Total LACNIC prefixes after maximum aggregation:              26938
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         114247
    Unique aggregates announced from the LACNIC address blocks:   47470
LACNIC Region origin ASes present in the Internet Routing Table:  10798
    LACNIC Prefixes per ASN:                                      10.58
LACNIC Region origin ASes announcing only one prefix:              2622
LACNIC Region transit ASes present in the Internet Routing Table:  2138
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        54
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8471
Number of LACNIC addresses announced to Internet:             176372736
    Equivalent to 10 /8s, 131 /16s and 60 /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:                  27070
    Total AfriNIC prefixes after maximum aggregation:              5265
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         35306
    Unique aggregates announced from the AfriNIC address blocks:  11304
AfriNIC Region origin ASes present in the Internet Routing Table:  1561
    AfriNIC Prefixes per ASN:                                     22.62
AfriNIC Region origin ASes announcing only one prefix:              539
AfriNIC Region transit ASes present in the Internet Routing Table:  318
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  889
Number of AfriNIC addresses announced to Internet:            108216320
    Equivalent to 6 /8s, 115 /16s and 64 /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        8700       8995      48  CHINAMOBILE-CN China Mobile Communicati
  7545        5854        787     680  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        3836       4192      73  ERX-CERNET-BKB China Education and Rese
  7713        3494       1023      57  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3203       1896      54  VNPT-AS-VN VNPT Corp, VN
  7552        2809       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        2122        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        5876       9959    2520  AMAZON-02, US
 11492        4606        305     828  CABLEONE, US
 22773        4053       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        2593        373     183  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2521       5027     439  CENTURYLINK-US-LEGACY-QWEST, US
  7018        2248      24164    1438  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        7891       1057    3428  TTNET, TR
 12479        6841       1711     149  UNI2-AS, ES
 20940        3924       3198     563  AKAMAI-ASN1, NL
  8551        3374        378      39  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 39891        3271        187      23  ALJAWWALSTC-AS, SA
 12389        2904       2279     897  ROSTELECOM-AS, RU
  9009        2514        258    1324  M247, GB
 34984        2200        354     600  TELLCOM-AS, TR
 58224        1739        912     585  TCI, IR
 61317        1635        213     918  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        2467        369      62  Instituto Costarricense de Electricidad
 13999        1642        286     453  Mega Cable, S.A. de C.V., MX
  6503        1530        359     472  Axtel, S.A.B. de C.V., MX
 28573        1436       2314     251  CLARO S.A., BR
  3816        1240        651     153  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 26615        1133       2351     138  TIM SA, BR
  6147        1090        369      21  Telefonica del Peru S.A.A., PE
 11664         970        188     445  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        1537        507      33  RAYA-AS, EG
 36992        1285       1430     270  ETISALAT-MISR, EG
 36903        1183        537     110  MT-MPLS, MA
 29571         814         68      11  ORANGE-COTE-IVOIRE, CI
 36935         701        523      44  Vodafone-, EG
  6713         612       1863      34  IAM-AS, MA
 15399         516         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        8700       8995      48  CHINAMOBILE-CN China Mobile Communicati
 47331        7891       1057    3428  TTNET, TR
 12479        6841       1711     149  UNI2-AS, ES
 16509        5876       9959    2520  AMAZON-02, US
  7545        5854        787     680  TPG-INTERNET-AP TPG Telecom Limited, AU
 11492        4606        305     828  CABLEONE, US
 22773        4053       3071     383  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3950        264      30  VIASAT-SP-BACKBONE, US
 20940        3924       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        8700         8652  CHINAMOBILE-CN China Mobile Communications Grou
 12479        6841         6692  UNI2-AS, ES
  7545        5854         5174  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        7891         4463  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        4053         3670  ASN-CXA-ALL-CCI-22773-RDC, US
  7713        3494         3437  TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
 20940        3924         3361  AKAMAI-ASN1, NL

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     
/13:596     /14:1210    /15:2076    /16:13582   /17:8242    /18:13901   
/19:25264   /20:42951   /21:50950   /22:107776  /23:95020   /24:515664  
/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        7092        7891  TTNET, TR
 12479        5806        6841  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        3008        4053  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2838        3374  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 39891        2807        3271  ALJAWWALSTC-AS, SA
 30036        2248        2593  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1896      2:1049      3:145       4:18        5:3715      6:100    
   7:5         8:1516      9:1        11:172      12:1713     13:402    
  14:2263     15:123      16:30       17:374      18:125      20:143    
  21:4        22:188      23:5291     24:2375     25:4        27:2614   
  29:19       31:2384     32:104      34:1        35:47       36:1679   
  37:3903     38:2354     39:644      40:149      41:3903     42:1049   
  43:2109     44:294      45:15714    46:3770     47:324      49:1659   
  50:1875     51:103      52:1329     54:283      55:648      56:4      
  57:59       58:1772     59:1089     60:939      61:2232     62:2391   
  63:1947     64:5412     65:2350     66:4941     67:2889     68:1174   
  69:4084     70:1349     71:686      72:3084     74:2614     75:1501   
  76:710      77:2130     78:3808     79:2643     80:1880     81:1653   
  82:1405     83:1172     84:1300     85:3566     86:701      87:1883   
  88:2603     89:3121     90:498      91:7485     92:1909     93:2581   
  94:3196     95:4498     96:1293     97:347      98:979      99:911    
 100:76      101:1060    102:1764    103:27578   104:4083    105:436    
 106:842     107:2388    108:745     109:3971    110:1962    111:3095   
 112:1956    113:1462    114:1546    115:2065    116:1851    117:2436   
 118:2251    119:1882    120:1586    121:1065    122:2525    123:2178   
 124:1545    125:1946    128:1388    129:1115    130:915     131:2073   
 132:786     133:364     134:1913    135:337     136:791     137:1002   
 138:2452    139:1238    140:839     141:1309    142:1222    143:1355   
 144:1266    145:328     146:1615    147:1461    148:2250    149:1581   
 150:859     151:1081    152:1671    153:518     154:3328    155:1363   
 156:1820    157:1189    158:988     159:2025    160:2335    161:1278   
 162:3395    163:1120    164:1665    165:1516    166:592     167:1705   
 168:3632    169:684     170:4275    171:780     172:2832    173:3034   
 174:1003    175:1146    176:3422    177:4507    178:3017    179:1954   
 180:2338    181:2621    182:3121    183:1921    184:2414    185:19049  
 186:4253    187:3517    188:3616    189:3084    190:8777    191:1318   
 192:10997   193:8418    194:6874    195:4909    196:2896    197:2236   
 198:6016    199:5999    200:7405    201:5676    202:10483   203:10230  
 204:4495    205:3385    206:3806    207:3384    208:4012    209:4646   
 210:4214    211:2437    212:3844    213:3388    214:1162    215:64     
 216:6395    217:2623    218:1197    219:564     220:2009    221:987    
 222:846     223:2011   

End of report


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