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

REN Routing Table Report cscora at frr.nsrc.org
Sat Jan 22 21:13:14 UTC 2022


IPv4 R&E Routing Table Report   21:10 GMT Sat 22 Jan, 2022

  BGP Table (Global) as seen at AARNET (Brisbane).

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

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

BGP routing table entries examined:                              887649
    Prefixes after maximum aggregation (per Origin AS):          333281
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      425829
    Number of IPv4 prefixes with a valid ROA:                    305425
    Number of IPv4 prefixes with an invalid ROA:                   2683
    Number of IPv4 prefixes with no ROA:                         579541
Total ASes present in the Internet Routing Table:                 72670
    Prefixes per ASN:                                             12.21
Origin-only ASes present in the Internet Routing Table:           62372
Origin ASes announcing only one prefix:                           25663
Transit ASes present in the Internet Routing Table:               10298
Transit-only ASes present in the Internet Routing Table:            385
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                     251
    Max AS path prepend of ASN ( 21299)                             245
Prefixes from unregistered ASNs in the Routing Table:               948
    Number of instances of unregistered ASNs:                       952
Number of 32-bit ASNs allocated by the RIRs:                      38362
Number of 32-bit ASNs visible in the Routing Table:               31932
Prefixes from 32-bit ASNs in the Routing Table:                  148832
Number of bogon 32-bit ASNs visible in the Routing Table:            43
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:            565
Number of addresses announced to Internet:                   3068331776
    Equivalent to 182 /8s, 227 /16s and 7 /24s
    Percentage of available address space announced:               82.9
    Percentage of allocated address space announced:               82.9
    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:      299510

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

Prefixes being announced by APNIC Region ASes:                   234072
    Total APNIC prefixes after maximum aggregation:               65250
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          228919
    Unique aggregates announced from the APNIC address blocks:    93677
APNIC Region origin ASes present in the Internet Routing Table:   12273
    APNIC Prefixes per ASN:                                       18.65
APNIC Region origin ASes announcing only one prefix:               3489
APNIC Region transit ASes present in the Internet Routing Table:   1731
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   7483
Number of APNIC addresses announced to Internet:              773258496
    Equivalent to 46 /8s, 22 /16s and 253 /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:                    257889
    Total ARIN prefixes after maximum aggregation:               118624
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           257863
    Unique aggregates announced from the ARIN address blocks:    122925
ARIN Region origin ASes present in the Internet Routing Table:    18937
    ARIN Prefixes per ASN:                                        13.62
ARIN Region origin ASes announcing only one prefix:                6849
ARIN Region transit ASes present in the Internet Routing Table:    1926
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                         251
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4303
Number of ARIN addresses announced to Internet:              1296526336
    Equivalent to 77 /8s, 71 /16s and 108 /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:                    252853
    Total RIPE prefixes after maximum aggregation:               116110
    RIPE Deaggregation factor:                                     2.18
Prefixes being announced from the RIPE address blocks:           249224
    Unique aggregates announced from the RIPE address blocks:    148425
RIPE Region origin ASes present in the Internet Routing Table:    28170
    RIPE Prefixes per ASN:                                         8.85
RIPE Region origin ASes announcing only one prefix:               12114
RIPE Region transit ASes present in the Internet Routing Table:    3935
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10620
Number of RIPE addresses announced to Internet:               713538048
    Equivalent to 42 /8s, 135 /16s and 186 /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:                  114370
    Total LACNIC prefixes after maximum aggregation:              27254
    LACNIC Deaggregation factor:                                   4.20
Prefixes being announced from the LACNIC address blocks:         115129
    Unique aggregates announced from the LACNIC address blocks:   48415
LACNIC Region origin ASes present in the Internet Routing Table:  10924
    LACNIC Prefixes per ASN:                                      10.54
LACNIC Region origin ASes announcing only one prefix:              2666
LACNIC Region transit ASes present in the Internet Routing Table:  2204
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8612
Number of LACNIC addresses announced to Internet:             176407552
    Equivalent to 10 /8s, 131 /16s and 196 /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:                  27517
    Total AfriNIC prefixes after maximum aggregation:              5347
    AfriNIC Deaggregation factor:                                  5.15
Prefixes being announced from the AfriNIC address blocks:         35948
    Unique aggregates announced from the AfriNIC address blocks:  11883
AfriNIC Region origin ASes present in the Internet Routing Table:  1580
    AfriNIC Prefixes per ASN:                                     22.75
AfriNIC Region origin ASes announcing only one prefix:              545
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:                       31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  914
Number of AfriNIC addresses announced to Internet:            108248320
    Equivalent to 6 /8s, 115 /16s and 189 /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        9025       8913      41  CHINAMOBILE-CN China Mobile Communicati
  7545        5841        786     676  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4653       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3605       1330      19  VIETEL-AS-AP Viettel Group, VN
  7713        3489       1038      51  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3434       1880      57  VNPT-AS-VN VNPT Corp, VN
  4766        2268      11119     587  KIXS-AS-KR Korea Telecom, KR
  9498        2253        475     232  BBIL-AP BHARTI Airtel Ltd., IN
 45090        2185       1438      79  TENCENT-NET-AP Shenzhen Tencent Compute
  4755        2121        429     199  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        6145      10141    2628  AMAZON-02, US
 11492        4600        305     763  CABLEONE, US
 22773        3996       3054     376  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3951        264      30  VIASAT-SP-BACKBONE, US
 16625        3669       1893    2565  AKAMAI-AS, US
  6327        3351       1318      62  SHAW, CA
   749        2888      50784    2144  DNIC-AS-00749, US
 30036        2612        374     129  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2505       4962     428  CENTURYLINK-US-LEGACY-QWEST, US
 20115        2248       3035     508  CHARTER-20115, 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
  9121        6930       1692      17  TTNET, TR
 12479        6822       1718     153  UNI2-AS, ES
 20940        3878       3194     541  AKAMAI-ASN1, NL
  8551        3776        378      39  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 39891        3274        188      25  ALJAWWALSTC-AS, SA
 12389        2929       2286     903  ROSTELECOM-AS, RU
  9009        2508        257    1306  M247, GB
 34984        2215        357     602  TELLCOM-AS, TR
 58224        1781        927     583  TCI, IR
 47331        1764        278    1335  TTNET, TR

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       10679       3408     575  Uninet S.A. de C.V., MX
 10620        3446        519     713  Telmex Colombia S.A., CO
 11830        2462        369      62  Instituto Costarricense de Electricidad
 13999        1643        283     465  Mega Cable, S.A. de C.V., MX
  6503        1441        355     525  Axtel, S.A.B. de C.V., MX
 28573        1381       2327     255  CLARO S.A., BR
  3816        1245        658     146  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 26615        1135       2350     139  TIM SA, BR
  6147        1091        369      21  Telefonica del Peru S.A.A., PE
 11664        1001        191     447  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        1632        393      21  LINKdotNET-AS, EG
 24835        1546        515      32  RAYA-AS, EG
 36992        1299       1518     262  ETISALAT-MISR, EG
 36903        1195        543     114  MT-MPLS, MA
 29571         876         63      60  ORANGE-COTE-IVOIRE, CI
 36935         716        521      39  Vodafone-, EG
  6713         612       1863      34  IAM-AS, MA
 15399         519         50      33  WANANCHI-, KE
 37342         468         32       1  MOVITEL, MZ
 23889         428        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       10679       3408     575  Uninet S.A. de C.V., MX
  9808        9025       8913      41  CHINAMOBILE-CN China Mobile Communicati
  9121        6930       1692      17  TTNET, TR
 12479        6822       1718     153  UNI2-AS, ES
 16509        6145      10141    2628  AMAZON-02, US
  7545        5841        786     676  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4653       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4600        305     763  CABLEONE, US
 22773        3996       3054     376  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3951        264      30  VIASAT-SP-BACKBONE, US

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        9025         8984  CHINAMOBILE-CN China Mobile Communications Grou
  9121        6930         6913  TTNET, TR
 12479        6822         6669  UNI2-AS, ES
  7545        5841         5165  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4653         4580  ERX-CERNET-BKB China Education and Research Net
  7155        3951         3921  VIASAT-SP-BACKBONE, US
 11492        4600         3837  CABLEONE, US
  8551        3776         3737  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        3996         3620  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3605         3586  VIETEL-AS-AP Viettel Group, VN

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
     32848  UNALLOCATED  8.28.72.0/24              3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             6461  ZAYO-6461, 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 the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.64.3.0/24             48276  LEVEL-AS, RU
192.88.99.0/24             6939  HURRICANE, US
198.19.224.0/24           56207  CONVERGE Converge ICT, PH
198.19.226.0/24           56207  CONVERGE Converge ICT, PH

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

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
23.252.163.0/24      Origin:    398968  GROUP-IID-01, US
23.252.163.0/24     Transit:       174  COGENT-174, US
23.252.164.0/24      Origin:    398968  GROUP-IID-01, US
23.252.164.0/24     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      /10:40      /11:100     /12:305     
/13:591     /14:1204    /15:2067    /16:13593   /17:8351    /18:13890   
/19:25144   /20:43364   /21:52065   /22:108408  /23:95562   /24:522935  
/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
  9121        6065        6930  TTNET, TR
 12479        5772        6822  UNI2-AS, ES
  8151        4521       10679  Uninet S.A. de C.V., MX
 11492        3534        4600  CABLEONE, US
  8551        3240        3776  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  6327        3163        3351  SHAW, CA
  7155        3041        3951  VIASAT-SP-BACKBONE, US
 22773        2977        3996  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2810        3274  ALJAWWALSTC-AS, SA
 30036        2267        2612  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1881      2:991       3:153       4:7         5:3715      6:102    
   7:5         8:1522      9:1        11:172      12:1706     13:410    
  14:2363     15:147      16:39       17:375      18:129      20:167    
  21:4        22:188      23:5416     24:2370     25:4        27:2672   
  29:19       31:2399     32:100      34:1        35:51       36:1733   
  37:3942     38:2508     39:736      40:151      41:3896     42:1064   
  43:2121     44:296      45:16032    46:3846     47:305      49:1618   
  50:1903     51:105      52:1346     54:294      55:735      56:8      
  57:56       58:1815     59:1118     60:955      61:2273     62:2429   
  63:1943     64:5397     65:2321     66:4910     67:2946     68:1183   
  69:4169     70:1347     71:682      72:3074     74:2636     75:1516   
  76:714      77:2159     78:3816     79:2874     80:1920     81:1656   
  82:1443     83:1202     84:1328     85:3567     86:704      87:1894   
  88:2626     89:3139     90:502      91:7500     92:1905     93:2587   
  94:3254     95:4498     96:1308     97:345      98:993      99:863    
 100:76      101:1065    102:1919    103:28195   104:4120    105:458    
 106:844     107:2433    108:757     109:4194    110:2050    111:3173   
 112:1963    113:1487    114:1531    115:2140    116:1872    117:2511   
 118:2328    119:1877    120:1636    121:1060    122:2527    123:2151   
 124:1534    125:2085    128:1384    129:1174    130:920     131:2096   
 132:784     133:368     134:1933    135:287     136:854     137:1000   
 138:2477    139:1224    140:871     141:1342    142:1252    143:1436   
 144:1232    145:336     146:1759    147:1472    148:2242    149:1665   
 150:863     151:1083    152:1800    153:523     154:3674    155:1366   
 156:1845    157:1209    158:1006    159:2025    160:2390    161:1288   
 162:3418    163:1213    164:1673    165:1551    166:622     167:1716   
 168:3664    169:683     170:4304    171:822     172:3014    173:3043   
 174:1019    175:1144    176:3475    177:4564    178:3022    179:2002   
 180:2357    181:2878    182:3181    183:1936    184:2418    185:19202  
 186:4295    187:3552    188:3783    189:3227    190:8926    191:1308   
 192:11000   193:8510    194:6938    195:4965    196:2928    197:2361   
 198:5980    199:5994    200:7465    201:5731    202:10507   203:10218  
 204:4533    205:3377    206:3806    207:3378    208:3997    209:4614   
 210:4269    211:2456    212:3927    213:3387    214:1158    215:64     
 216:6414    217:2628    218:1228    219:554     220:2043    221:990    
 222:880     223:2142   

End of report


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