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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Apr 14 21:13:56 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Mon 14 Apr, 2025

  IPv4 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:                              978886
    Prefixes after maximum aggregation (per Origin AS):          375761
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      477059
    Number of IPv4 prefixes with a valid ROA:                    539919
    Number of IPv4 prefixes with an invalid ROA:                    120
    Number of IPv4 prefixes with no ROA:                         438847
Total ASes present in the Internet Routing Table:                 76741
    Prefixes per ASN:                                             12.76
Origin-only ASes present in the Internet Routing Table:           65766
Origin ASes announcing only one prefix:                           26886
Transit ASes present in the Internet Routing Table:               10975
Transit-only ASes present in the Internet Routing Table:            540
Paths with bogon ASNs present in the IPv4 Routing Table:             20
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      50
    Max AS path prepend of ASN ( 37447)                              47
Prefixes from unregistered ASNs in the Routing Table:              1066
    Number of instances of unregistered ASNs:                      1069
Number of 32-bit ASNs allocated by the RIRs:                      46183
Number of 32-bit ASNs visible in the Routing Table:               38086
Prefixes from 32-bit ASNs in the Routing Table:                  200585
Number of bogon 32-bit ASNs visible in the Routing Table:            24
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            440
Number of addresses announced to Internet:                   3106766848
    Equivalent to 185 /8s, 45 /16s and 128 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      320940

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

Prefixes being announced by APNIC Region ASes:                   255899
    Total APNIC prefixes after maximum aggregation:               76496
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247596
    Unique aggregates announced from the APNIC address blocks:   102721
APNIC Region origin ASes present in the Internet Routing Table:   14574
    APNIC Prefixes per ASN:                                       16.99
APNIC Region origin ASes announcing only one prefix:               4446
APNIC Region transit ASes present in the Internet Routing Table:   1962
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10083
Number of APNIC addresses announced to Internet:              748321792
    Equivalent to 44 /8s, 154 /16s and 124 /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, 131072-155961
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:                    289864
    Total ARIN prefixes after maximum aggregation:               129255
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           290870
    Unique aggregates announced from the ARIN address blocks:    137676
ARIN Region origin ASes present in the Internet Routing Table:    19243
    ARIN Prefixes per ASN:                                        15.12
ARIN Region origin ASes announcing only one prefix:                7037
ARIN Region transit ASes present in the Internet Routing Table:    1986
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5185
Number of ARIN addresses announced to Internet:              1349520384
    Equivalent to 80 /8s, 112 /16s and 12 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    273553
    Total RIPE prefixes after maximum aggregation:               133362
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271464
    Unique aggregates announced from the RIPE address blocks:    173600
RIPE Region origin ASes present in the Internet Routing Table:    28878
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12029
RIPE Region transit ASes present in the Internet Routing Table:    3976
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12370
Number of RIPE addresses announced to Internet:               731824640
    Equivalent to 43 /8s, 158 /16s and 194 /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,
                        53/8,  57/8,  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:                  123205
    Total LACNIC prefixes after maximum aggregation:              29276
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         119856
    Unique aggregates announced from the LACNIC address blocks:   48900
LACNIC Region origin ASes present in the Internet Routing Table:  11229
    LACNIC Prefixes per ASN:                                      10.67
LACNIC Region origin ASes announcing only one prefix:              2686
LACNIC Region transit ASes present in the Internet Routing Table:  2471
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9177
Number of LACNIC addresses announced to Internet:             171803648
    Equivalent to 10 /8s, 61 /16s and 132 /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:                  35299
    Total AfriNIC prefixes after maximum aggregation:              6743
    AfriNIC Deaggregation factor:                                  5.23
Prefixes being announced from the AfriNIC address blocks:         48659
    Unique aggregates announced from the AfriNIC address blocks:  13788
AfriNIC Region origin ASes present in the Internet Routing Table:  1906
    AfriNIC Prefixes per ASN:                                     25.53
AfriNIC Region origin ASes announcing only one prefix:              688
AfriNIC Region transit ASes present in the Internet Routing Table:  378
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       50
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1271
Number of AfriNIC addresses announced to Internet:            105076224
    Equivalent to 6 /8s, 67 /16s and 86 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10308       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6213        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4256        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4221        530     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3923       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3674       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3259       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2854        849     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2170      11523     632  KIXS-AS-KR Korea Telecom, KR
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       13163      39688    4098  AMAZON-02, US
 11492        4693        311     586  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
 22773        3628       3054     223  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   174        3519       8766     961  COGENT-174, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3115       1311    2257  AKAMAI-AS, US
396982        2952       3649     466  GOOGLE-CLOUD-PLATFORM, US
 36352        2657        219     814  AS-COLOCROSSING, 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
 12479        7711       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4030       3395     129  AKAMAI-ASN1, NL
  9009        3771        325    1959  M247, RO
 12389        3066       2303     887  ROSTELECOM-AS, RU
 34984        2363        360     581  TELLCOM-AS, TR
212238        2090        148    1540  CDNEXT, GB
  8452        1637       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1481         98     745  CLOUVIDER Clouvider - Global ASN, 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       11959       3245     585  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2512        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1357       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1194        371      22  Telefonica del Peru S.A.A., PE
 11664        1182        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1052         70     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1040        374     163  Axtel, S.A.B. de C.V., MX

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
 24835        1743        607      31  RAYA-AS, EG
 24863        1639        389      16  LINKdotNET-AS, EG
 29571        1581        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1430       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1021        521      42  Vodafone-, EG
 20011         981        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
  6713         560       1861      35  IAM-AS, MA
 36914         547         82       3  KENET-AS, KE

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
 16509       13163      39688    4098  AMAZON-02, US
  8151       11959       3245     585  UNINET, MX
  9808       10308       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7711       1714     145  UNI2-AS, ES
  7545        6213        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4693        311     586  CABLEONE, US
 18403        4256        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4221        530     275  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4030       3395     129  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
  8151       11959        11374  UNINET, MX
  9808       10308        10219  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7711         7566  UNI2-AS, ES
  7545        6213         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4256         4231  FPT-AS-AP FPT Telecom Company, VN
 11492        4693         4107  CABLEONE, US
  9498        4221         3946  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4030         3901  AKAMAI-ASN1, NL
  7552        3923         3897  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
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              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
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, 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       /9:16      /10:41      /11:93      /12:301     
/13:584     /14:1225    /15:2164    /16:13940   /17:8300    /18:13758   
/19:24617   /20:43738   /21:51791   /22:112129  /23:101555  /24:604617  
/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
 12479        6633        7711  UNI2-AS, ES
  8151        6160       11959  UNINET, MX
 11492        3531        4693  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2746        3628  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2335       13163  AMAZON-02, US
 30036        2231        2573  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3522  Telmex Colombia S.A., CO

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

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

   1:2329      2:1540      3:615       4:10        5:4638      6:162    
   7:6         8:1549      9:1        11:172      12:1370     13:351    
  14:2509     15:351      16:282      17:366      18:921      20:483    
  21:4        22:188      23:7461     24:2842     25:2        27:2770   
  29:19       31:3230     32:37       34:80       35:205      36:2397   
  37:4668     38:8846     39:897      40:160      41:4178     42:1905   
  43:2572     44:375      45:18466    46:4981     47:288      49:1921   
  50:1898     51:590      52:1553     54:298      55:1041     56:11     
  57:251      58:2207     59:1217     60:1171     61:2779     62:2896   
  63:1831     64:5496     65:2116     66:4654     67:3068     68:1161   
  69:3981     70:1122     71:627      72:2839     74:2799     75:1605   
  76:597      77:2743     78:1890     79:1749     80:2194     81:2035   
  82:3122     83:1425     84:1851     85:3409     86:1042     87:2152   
  88:1314     89:4310     90:777      91:8317     92:2787     93:2892   
  94:4068     95:4356     96:1442     97:313      98:1023     99:641    
 100:71      101:1148    102:3754    103:32216   104:4760    105:752    
 106:984     107:2638    108:1202    109:4096    110:2228    111:3345   
 112:2042    113:1800    114:1958    115:2209    116:2038    117:2750   
 118:2900    119:1954    120:1872    121:1371    122:2752    123:2173   
 124:1565    125:2857    126:91      128:1590    129:960     130:1277   
 131:1903    132:784     133:451     134:1528    135:329     136:1305   
 137:1297    138:2877    139:1614    140:1574    141:1483    142:1904   
 143:1633    144:1066    145:517     146:2162    147:2106    148:2634   
 149:2918    150:1239    151:1744    152:2104    153:570     154:8005   
 155:1637    156:3203    157:1897    158:1277    159:2441    160:3565   
 161:1906    162:3711    163:2046    164:1694    165:2207    166:1457   
 167:1882    168:4060    169:794     170:5066    171:1000    172:4483   
 173:3218    174:917     175:1291    176:3678    177:4671    178:3800   
 179:2282    180:2594    181:4049    182:3368    183:2044    184:2154   
 185:21503   186:5072    187:4406    188:4188    189:4176    190:9623   
 191:1466    192:11231   193:9437    194:7771    195:5536    196:3300   
 197:3689    198:6169    199:8454    200:8144    201:6232    202:10389  
 203:10608   204:4553    205:3677    206:4660    207:3562    208:4206   
 209:5183    210:4571    211:2530    212:4511    213:3780    214:1031   
 215:48      216:6619    217:3106    218:1334    219:375     220:2084   
 221:1062    222:716     223:2316   

End of report


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