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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Feb 20 21:13:56 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Thu 20 Feb, 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:                              973503
    Prefixes after maximum aggregation (per Origin AS):          372259
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      475106
    Number of IPv4 prefixes with a valid ROA:                    531477
    Number of IPv4 prefixes with an invalid ROA:                    138
    Number of IPv4 prefixes with no ROA:                         441888
Total ASes present in the Internet Routing Table:                 76571
    Prefixes per ASN:                                             12.71
Origin-only ASes present in the Internet Routing Table:           65633
Origin ASes announcing only one prefix:                           26877
Transit ASes present in the Internet Routing Table:               10938
Transit-only ASes present in the Internet Routing Table:            539
Paths with bogon ASNs present in the IPv4 Routing Table:             39
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:              1050
    Number of instances of unregistered ASNs:                      1069
Number of 32-bit ASNs allocated by the RIRs:                      46146
Number of 32-bit ASNs visible in the Routing Table:               37820
Prefixes from 32-bit ASNs in the Routing Table:                  198927
Number of bogon 32-bit ASNs visible in the Routing Table:            61
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            516
Number of addresses announced to Internet:                   3112505600
    Equivalent to 185 /8s, 133 /16s and 17 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      319367

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

Prefixes being announced by APNIC Region ASes:                   254730
    Total APNIC prefixes after maximum aggregation:               75930
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247068
    Unique aggregates announced from the APNIC address blocks:   102530
APNIC Region origin ASes present in the Internet Routing Table:   14477
    APNIC Prefixes per ASN:                                       17.07
APNIC Region origin ASes announcing only one prefix:               4426
APNIC Region transit ASes present in the Internet Routing Table:   1941
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:   9988
Number of APNIC addresses announced to Internet:              753206784
    Equivalent to 44 /8s, 229 /16s and 6 /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:                    287056
    Total ARIN prefixes after maximum aggregation:               127504
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289214
    Unique aggregates announced from the ARIN address blocks:    135908
ARIN Region origin ASes present in the Internet Routing Table:    19229
    ARIN Prefixes per ASN:                                        15.04
ARIN Region origin ASes announcing only one prefix:                7028
ARIN Region transit ASes present in the Internet Routing Table:    1997
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:    5161
Number of ARIN addresses announced to Internet:              1344450560
    Equivalent to 80 /8s, 34 /16s and 176 /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:                    272291
    Total RIPE prefixes after maximum aggregation:               132240
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269672
    Unique aggregates announced from the RIPE address blocks:    172584
RIPE Region origin ASes present in the Internet Routing Table:    28835
    RIPE Prefixes per ASN:                                         9.35
RIPE Region origin ASes announcing only one prefix:               12052
RIPE Region transit ASes present in the Internet Routing Table:    3965
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:   12268
Number of RIPE addresses announced to Internet:               732187392
    Equivalent to 43 /8s, 164 /16s and 75 /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:                  123434
    Total LACNIC prefixes after maximum aggregation:              29122
    LACNIC Deaggregation factor:                                   4.24
Prefixes being announced from the LACNIC address blocks:         120707
    Unique aggregates announced from the LACNIC address blocks:   48893
LACNIC Region origin ASes present in the Internet Routing Table:  11203
    LACNIC Prefixes per ASN:                                      10.77
LACNIC Region origin ASes announcing only one prefix:              2675
LACNIC Region transit ASes present in the Internet Routing Table:  2473
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:  9138
Number of LACNIC addresses announced to Internet:             177911808
    Equivalent to 10 /8s, 154 /16s and 184 /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:                  34942
    Total AfriNIC prefixes after maximum aggregation:              6798
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         46325
    Unique aggregates announced from the AfriNIC address blocks:  14758
AfriNIC Region origin ASes present in the Internet Routing Table:  1909
    AfriNIC Prefixes per ASN:                                     24.27
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  370
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: 1265
Number of AfriNIC addresses announced to Internet:            104484096
    Equivalent to 6 /8s, 58 /16s and 77 /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       10334       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6214        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4273        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3250       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2842        854     529  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2150      11521     612  KIXS-AS-KR Korea Telecom, KR

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       12804      39190    3784  AMAZON-02, US
 11492        4703        312     568  CABLEONE, US
  7155        4173        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3589       3054     220  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3503       8763     933  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3045       1311    2201  AKAMAI-AS, US
396982        2929       3660     448  GOOGLE-CLOUD-PLATFORM, US
 30036        2602        363     270  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        7770       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4003       3395     130  AKAMAI-ASN1, NL
  9009        3732        320    1918  M247, RO
 12389        2993       2303     893  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2020        146    1496  CDNEXT, GB
  8452        1620       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1498         99     749  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       11755       3230     597  UNINET, MX
 10620        3544        492     951  Telmex Colombia S.A., CO
 13999        2512        539     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1349       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1159        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1155        371      22  Telefonica del Peru S.A.A., PE
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 22884        1075         98     371  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        1644        389      16  LINKdotNET-AS, EG
 29571        1556         98     101  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935         997        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         847       1083      15  MOBINIL, EG
 36914         558         82       3  KENET-AS, KE
  6713         557       1861      35  IAM-AS, MA

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       12804      39190    3784  AMAZON-02, US
  8151       11755       3230     597  UNINET, MX
  9808       10334       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7770       1714     145  UNI2-AS, ES
  7545        6214        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4703        312     568  CABLEONE, US
 18403        4273        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4173        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       11755        11158  UNINET, MX
  9808       10334        10246  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7770         7625  UNI2-AS, ES
  7545        6214         5552  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4273         4248  FPT-AS-AP FPT Telecom Company, VN
 11492        4703         4135  CABLEONE, US
  7155        4173         4090  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921         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
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     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

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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, 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

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      /12:307     
/13:587     /14:1224    /15:2165    /16:13943   /17:8301    /18:13704   
/19:24570   /20:43831   /21:51939   /22:112233  /23:100926  /24:599606  
/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        6723        7770  UNI2-AS, ES
  8151        5960       11755  UNINET, MX
 11492        3556        4703  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3120        4173  VIASAT-SP-BACKBONE, US
 22773        2708        3589  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2281       12804  AMAZON-02, US
 30036        2260        2602  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3544  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)
----------------------------------------------

   1:2296      2:1521      3:573       4:10        5:4519      6:165    
   7:6         8:1555      9:1        11:172      12:1381     13:349    
  14:2507     15:348      16:273      17:357      18:917      20:450    
  21:4        22:188      23:7326     24:2726     25:2        27:2746   
  29:19       31:3147     32:35       34:78       35:204      36:2407   
  37:4599     38:8591     39:896      40:153      41:4157     42:1936   
  43:2531     44:353      45:18232    46:4983     47:291      49:1970   
  50:1890     51:589      52:1569     54:300      55:1090     56:9      
  57:243      58:2222     59:1197     60:1167     61:2784     62:2945   
  63:1828     64:5509     65:2140     66:4635     67:3031     68:1154   
  69:3972     70:1158     71:617      72:2874     74:2788     75:1647   
  76:611      77:2662     78:1872     79:1721     80:2207     81:2026   
  82:2593     83:1413     84:1798     85:3360     86:1019     87:2167   
  88:1316     89:4311     90:761      91:8320     92:2807     93:2858   
  94:3910     95:4222     96:1363     97:318      98:1003     99:741    
 100:71      101:1132    102:3699    103:32231   104:4799    105:753    
 106:995     107:2612    108:1201    109:4087    110:2222    111:3299   
 112:2046    113:1781    114:1938    115:2163    116:2038    117:2750   
 118:2883    119:1956    120:1877    121:1362    122:2754    123:2178   
 124:1561    125:2870    126:94      128:1594    129:952     130:1286   
 131:1852    132:797     133:450     134:1528    135:325     136:1331   
 137:1290    138:2884    139:1613    140:1548    141:1476    142:1828   
 143:1604    144:1052    145:468     146:2132    147:2063    148:2605   
 149:2859    150:1224    151:1686    152:2110    153:571     154:7052   
 155:1604    156:2736    157:1891    158:1249    159:2430    160:3563   
 161:1873    162:3691    163:1838    164:1697    165:2181    166:1362   
 167:1883    168:4057    169:796     170:5075    171:1004    172:4365   
 173:3250    174:924     175:1271    176:3615    177:4745    178:3771   
 179:2227    180:2576    181:3992    182:3369    183:2032    184:2309   
 185:21475   186:5103    187:4336    188:4227    189:4205    190:9621   
 191:1530    192:11188   193:9387    194:7744    195:5480    196:3262   
 197:3637    198:6184    199:8329    200:8165    201:6307    202:10366  
 203:10612   204:4563    205:3677    206:4627    207:3582    208:4191   
 209:5179    210:4566    211:2522    212:4510    213:3741    214:1059   
 215:42      216:6566    217:3107    218:1337    219:373     220:2110   
 221:1052    222:717     223:2308   

End of report


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