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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Mar 10 21:13:54 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Mon 10 Mar, 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:                              976614
    Prefixes after maximum aggregation (per Origin AS):          373572
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476028
    Number of IPv4 prefixes with a valid ROA:                    536035
    Number of IPv4 prefixes with an invalid ROA:                    149
    Number of IPv4 prefixes with no ROA:                         440430
Total ASes present in the Internet Routing Table:                 76588
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65658
Origin ASes announcing only one prefix:                           26885
Transit ASes present in the Internet Routing Table:               10930
Transit-only ASes present in the Internet Routing Table:            542
Paths with bogon ASNs present in the IPv4 Routing Table:             24
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:               964
    Number of instances of unregistered ASNs:                       984
Number of 32-bit ASNs allocated by the RIRs:                      46184
Number of 32-bit ASNs visible in the Routing Table:               37880
Prefixes from 32-bit ASNs in the Routing Table:                  199083
Number of bogon 32-bit ASNs visible in the Routing Table:            62
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            460
Number of addresses announced to Internet:                   3110123776
    Equivalent to 185 /8s, 96 /16s and 185 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      320456

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

Prefixes being announced by APNIC Region ASes:                   255418
    Total APNIC prefixes after maximum aggregation:               75992
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247228
    Unique aggregates announced from the APNIC address blocks:   102470
APNIC Region origin ASes present in the Internet Routing Table:   14501
    APNIC Prefixes per ASN:                                       17.05
APNIC Region origin ASes announcing only one prefix:               4425
APNIC Region transit ASes present in the Internet Routing Table:   1951
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         37
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10009
Number of APNIC addresses announced to Internet:              749230848
    Equivalent to 44 /8s, 168 /16s and 91 /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:                    289022
    Total ARIN prefixes after maximum aggregation:               128452
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289822
    Unique aggregates announced from the ARIN address blocks:    136492
ARIN Region origin ASes present in the Internet Routing Table:    19228
    ARIN Prefixes per ASN:                                        15.07
ARIN Region origin ASes announcing only one prefix:                7027
ARIN Region transit ASes present in the Internet Routing Table:    1988
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:    5164
Number of ARIN addresses announced to Internet:              1351057920
    Equivalent to 80 /8s, 135 /16s and 130 /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:                    272586
    Total RIPE prefixes after maximum aggregation:               132484
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270601
    Unique aggregates announced from the RIPE address blocks:    172861
RIPE Region origin ASes present in the Internet Routing Table:    28845
    RIPE Prefixes per ASN:                                         9.38
RIPE Region origin ASes announcing only one prefix:               12065
RIPE Region transit ASes present in the Internet Routing Table:    3970
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12291
Number of RIPE addresses announced to Internet:               732174336
    Equivalent to 43 /8s, 164 /16s and 24 /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:                  123493
    Total LACNIC prefixes after maximum aggregation:              29208
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120341
    Unique aggregates announced from the LACNIC address blocks:   48901
LACNIC Region origin ASes present in the Internet Routing Table:  11202
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2674
LACNIC Region transit ASes present in the Internet Routing Table:  2467
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9149
Number of LACNIC addresses announced to Internet:             172757760
    Equivalent to 10 /8s, 76 /16s and 19 /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:                  35131
    Total AfriNIC prefixes after maximum aggregation:              6826
    AfriNIC Deaggregation factor:                                  5.15
Prefixes being announced from the AfriNIC address blocks:         48161
    Unique aggregates announced from the AfriNIC address blocks:  14902
AfriNIC Region origin ASes present in the Internet Routing Table:  1906
    AfriNIC Prefixes per ASN:                                     25.27
AfriNIC Region origin ASes announcing only one prefix:              694
AfriNIC Region transit ASes present in the Internet Routing Table:  374
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267
Number of AfriNIC addresses announced to Internet:            104670208
    Equivalent to 6 /8s, 61 /16s and 36 /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       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4395        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1044      68  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3266       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2839        849     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2150        434     193  TATACOMM-AS TATA Communications formerly 

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       12949      39641    3940  AMAZON-02, US
 11492        4673        310     589  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
   174        3660       8768     961  COGENT-174, US
  6327        3621       1320      81  SHAW, CA
 22773        3601       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3078       1310    2224  AKAMAI-AS, US
396982        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2562        355     407  MEDIACOM-ENTERPRISE-BUSINESS, 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        7771       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4022       3395     129  AKAMAI-ASN1, NL
  9009        3765        322    1942  M247, RO
 12389        2980       2303     890  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2029        145    1499  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1587       1852      14  TE-AS TE-AS, EG
 62240        1488         98     747  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       11802       3238     590  UNINET, MX
 10620        3523        487     970  Telmex Colombia S.A., CO
 13999        2505        539     374  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1202        371      22  Telefonica del Peru S.A.A., PE
 11664        1170        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1109        374     163  Axtel, S.A.B. de C.V., MX
 22884        1049         70     374  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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        1683        599      30  RAYA-AS, EG
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1582        100     104  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         855       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         544         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       12949      39641    3940  AMAZON-02, US
  8151       11802       3238     590  UNINET, MX
  9808       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7771       1714     145  UNI2-AS, ES
  7545        6211        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4673        310     589  CABLEONE, US
 18403        4395        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4175        286      83  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
  8151       11802        11212  UNINET, MX
  9808       10326        10238  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7771         7626  UNI2-AS, ES
  7545        6211         5553  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4395         4370  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4092  VIASAT-SP-BACKBONE, US
 11492        4673         4084  CABLEONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922         3896  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      /10:42      /11:92      /12:304     
/13:586     /14:1223    /15:2167    /16:13962   /17:8304    /18:13725   
/19:24585   /20:43797   /21:51833   /22:111968  /23:101209  /24:602784  
/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        6712        7771  UNI2-AS, ES
  8151        6002       11802  UNINET, MX
 11492        3527        4673  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2719        3601  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2343       12949  AMAZON-02, US
 30036        2220        2562  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3523  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      2:1530      3:586       4:10        5:4568      6:166    
   7:6         8:1550      9:1        11:172      12:1376     13:342    
  14:2514     15:350      16:279      17:363      18:922      20:461    
  21:4        22:188      23:7343     24:3018     25:2        27:2741   
  29:19       31:3190     32:35       34:79       35:206      36:2406   
  37:4608     38:8897     39:897      40:153      41:4223     42:1995   
  43:2537     44:356      45:18338    46:5030     47:288      49:1985   
  50:1882     51:589      52:1563     54:302      55:809      56:9      
  57:245      58:2214     59:1198     60:1166     61:2780     62:2914   
  63:1827     64:5505     65:2116     66:4645     67:3019     68:1154   
  69:3959     70:1163     71:618      72:2871     74:2780     75:1652   
  76:611      77:2686     78:1881     79:1728     80:2190     81:2012   
  82:2761     83:1397     84:1815     85:3358     86:1029     87:2159   
  88:1312     89:4311     90:780      91:8318     92:2799     93:2841   
  94:3899     95:4294     96:1414     97:318      98:995      99:739    
 100:71      101:1132    102:3669    103:32164   104:4810    105:757    
 106:999     107:2609    108:1206    109:4107    110:2224    111:3313   
 112:2034    113:1792    114:1939    115:2159    116:2037    117:2759   
 118:2884    119:1958    120:1879    121:1361    122:2740    123:2178   
 124:1565    125:2869    126:87      128:1581    129:961     130:1283   
 131:1861    132:786     133:451     134:1530    135:328     136:1275   
 137:1289    138:2893    139:1606    140:1549    141:1470    142:1825   
 143:1634    144:1045    145:478     146:2150    147:2078    148:2595   
 149:2853    150:1237    151:1948    152:2106    153:571     154:7869   
 155:1620    156:3290    157:1910    158:1269    159:2436    160:3564   
 161:1930    162:3675    163:1895    164:1698    165:2191    166:1385   
 167:1879    168:4063    169:793     170:5082    171:1003    172:4450   
 173:3226    174:921     175:1266    176:3655    177:4742    178:3785   
 179:2210    180:2577    181:4015    182:3373    183:2056    184:2313   
 185:21510   186:5131    187:4389    188:4206    189:4227    190:9647   
 191:1541    192:11178   193:9406    194:7742    195:5537    196:3259   
 197:3657    198:6202    199:8383    200:8165    201:6327    202:10386  
 203:10610   204:4534    205:3661    206:4608    207:3562    208:4173   
 209:5194    210:4561    211:2526    212:4494    213:3760    214:1055   
 215:42      216:6592    217:3109    218:1332    219:372     220:2102   
 221:1055    222:717     223:2316   

End of report


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